BIO 101 Exam 8
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This document appears to be an online exam reviewing concepts related to biology and evolution. It consists of 12 multiple choice questions about topics like human ancestors, characteristics of chordates, differences between vertebrate and non-vertebrate chordates, distinguishing features of primates, and contrasts between birds and mammals. For each question, the student is asked to select the correct answer from several options.
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QUESTION 1All of the following are parts of a flower except the.docx
QUESTION 1
All of the following are parts of a flower except the
A.
carpel.
B.
ovary.
C.
fruit.
D.
stamen.
E.
cuticle.
QUESTION 2
The segmented worms of the phylum Annelida
A.
have an open circulatory system.
B.
possess setae on each segment.
C.
are acoelomate.
D.
display radial symmetry.
E.
move by use of flagella.
QUESTION 3
In bryophytes, the rhizoids
A.
obtain nutrients.
B.
are involved in reproduction.
C.
obtain water.
D.
lure possible prey.
E.
serve as attachment structures.
QUESTION 4
Which of the following is not a characteristic differentiating Neanderthals from modern humans?
A.
Neanderthals had smaller brains.
B.
Neanderthals had larger noses.
C.
Neanderthals had projecting brow ridges.
D.
Neanderthals were shorter.
E.
Neanderthals were stronger.
QUESTION 5
Fungi exhibit certain characteristics. One of these characteristics is that they
A.
are capable of carrying on photosynthesis.
B.
lack cell nuclei.
C.
reproduce using seeds and pollen.
D.
reproduce using spores.
E.
are prokaryotes.
QUESTION 6
In plants, the secondary metabolites are primarily responsible for
A.
food gathering.
B.
nutrition.
C.
defense.
D.
protection against ultraviolet radiation.
E.
overcoming air pollutants.
QUESTION 7
In cnidarians, nematocysts are important in
A.
obtaining oxygen from the water.
B.
obtaining prey.
C.
movement.
D.
excretion of wastes.
E.
food digestion.
QUESTION 8
Cnidarians and ctenophores are similar in that they both have
A.
a pseudocoel.
B.
a digestive tract with two openings.
C.
radial symmetry.
D.
mesoderm.
E.
nematocysts.
QUESTION 9
All members of the phylum Chordata share
A.
exoskeletons.
B.
gills present throughout their lives.
C.
tails present throughout their lives.
D.
a vertebral column.
E.
a notochord present sometime in their lives.
QUESTION 10
It is generally thought that animals have undergone four major physiological and anatomical innovations during their evolution. These are (in no particular order)
A.
development of tissues, photosynthesis, bilateral symmetry, multicellularity.
B.
development of the versatile forelimb, multicellularity, origin of patterns of embryonic development, development of tissues.
C.
multicellularity, bilateral symmetry, origin of patterns of embryonic development, development of tissues.
D.
bilateral symmetry, development of tissues, origin of the multichambered heart, origin of patterns of embryonic development.
E.
origin of patterns of embryonic development, development of the versatile forelimb, origin of the multichambered heart, multicellularity.
QUESTION 11
Mammals have two traits that set them apart from all other animals. These are
A.
body hair or fur, and being homeothermic.
B.
four-chambered heart and milk production.
C.
amniotic eggs and milk production.
D.
body hair or fur, and milk production.
E.
four-chambered heart and body hair or fur.
QUESTION 12
Which of the following characteristics is not shared by typical birds and mammals?
A.
four limbs
B.
insulating skin ...
8- Which of the following statements are FALSE about the phylum Chorda.pdf
8. Which of the following statements are FALSE about the phylum Chordata. a. All chordates
have a postanal tal at some stage in life. b. All chordates have pharyngeal slits that wit develop
into ancther structure. c. In all chordates, the notochord is replaced by the soinal column during
development. e. Both B and C are FALISE 9. Deuterostomes exhibit. a. Radial cleavage b. The
blastopore becomes an anus c. Diploblastic germ layers d. Both A and B e. A , B , and C are all
correct 10. Damage to its flagellum would prevent a choanocyte from a. circulating water
through the sponge. b. stinging and capturing prey. c. secreting spongin to form the spenge body.
d. producing the supportive spicules. 11. How could a biologist distingaish an acoelomate
flatworm from a free-living nematode? a. The acoelomate worm would be solid throughout since
it lacks a true gut: b. The acoelomate worm would havo a nervous system. c. The nematode
would have a more primitive gut and nervous system. d) Only the acoelomate is triploblastic. 12.
Linnaeus lumped all of the worm-like animals into the category Vermes (Vermis is Latin for
worm). is this a vald classification scheme? a. No, because some worms are protists: b. Yes,
because all worms are members of the same kingdom and phylum. c. Yes, because all worm-like
animals are more closely related to each other than they are to other animals due to the
evolutionary history of this body plan. d. No, because the worm-like body plan has appeared
many times through evolutionary history and is not a useful trait for classification. 13. Which of
the following terms is mismutched with its meaning or characteristics? a. Diploblastic-ectoderm
and mesoderm b. Triploblastic-ectoderm, mesoderm, and endoderm c. Porifera-lacks symmetry
no tissues d. Chordate-an animal with notochord 14. The most diverse of the four eukaryotic
kingdoms is the: a. Protista Kingdom. b. Bacteria Kingdom. c. Plantae Kingdom. d. Animalia
kingdom. 15. Of the folowing features, which is the most widely shared in the animal kingdom?
a. protortome development b. radial cleavare c. inolring of a cuticle or exoskieleton d. a bady
gian with.iymmetry e. a triploblastic embryo.
1) Which of the following organisms conducts gas exchange via diffusio.pdf
1) Which of the following organisms conducts gas exchange via diffusion across the
body surface?
a) Both an earthworm and a clam
b) an earthworm
c) a beetle
d) a clam
e) a chiton
2) Trematodes lack dedicated circulatory systems because _____.
a) their body cavity, a pseudocoelom, carries out these functions
b) they have an extensive body surface that is kept moist.
c) none of their cells are far removed from the gastrovascular cavity or from the external
environment
d) they lack mesoderm as embryos and, therefore, lack the adult tissues derived from
mesoderm
3) All of the following might have been observed in the most recent common ancestor of
Chondrichthyans and Actinopterygiii, except...
a) scales
b) a mineralized skeleton
c) gills
d) a swim bladder
4) How are urochordates and cephalochordates similar?
a) Both have motile larvae that become sessile adults.
b) Both have a heart with two chambers.
c) Both have an endoskeleton of either bone or cartilage.
d) Both have adults that are suspension feeders.
5) What is believed to be the most significant result of the evolution of the amniotic egg?
a) Tetrapods could lay their eggs in a variety of terrestrial locations.
b) Tetrapods can grow much larger.
c) Newborns are much less dependent on their parents.
d) Embryos are protected from predators.
6) Which of the following are the most abundant and diverse of the extant vertebrates?
a) Birds
b) Amphibians
c) Mammals
d) Ray-finned fishes
1) Which of the following organisms conducts gas exchange via diffusion across the body
surface?
a) Both an earthworm and a clam
b) an earthworm
c) a beetle
d) a clam
e) a chiton
2) Trematodes lack dedicated circulatory systems because _____.
a) their body cavity, a pseudocoelom, carries out these functions
b) they have an extensive body surface that is kept moist.
c) none of their cells are far removed from the gastrovascular cavity or from the external
environment
d) they lack mesoderm as embryos and, therefore, lack the adult tissues derived from mesoderm
3) All of the following might have been observed in the most recent common ancestor of
Chondrichthyans and Actinopterygiii, except...
a) scales
b) a mineralized skeleton
c) gills
d) a swim bladder
4) How are urochordates and cephalochordates similar?
a) Both have motile larvae that become sessile adults.
b) Both have a heart with two chambers.
c) Both have an endoskeleton of either bone or cartilage.
d) Both have adults that are suspension feeders.
5) What is believed to be the most significant result of the evolution of the amniotic egg?
a) Tetrapods could lay their eggs in a variety of terrestrial locations.
b) Tetrapods can grow much larger.
c) Newborns are much less dependent on their parents.
d) Embryos are protected from predators.
6) Which of the following are the most abundant and diverse of the extant vertebrates?
a) Birds
b) Amphibians
c) Mammals
d) Ray-finned fishes
5) What is believed to be the most significant result of the evolution of the amniotic.
Question 1 Mammals have two traits that set them apart from all .docx
Question 1
Mammals have two traits that set them apart from all other animals. These are
A.
body hair or fur, and being homeothermic.
B.
body hair or fur, and milk production.
C.
four-chambered heart and milk production.
D.
amniotic eggs and milk production.
E.
four-chambered heart and body hair or fur.
5 points
Question 2
Which of the following are adaptations to land of both gymnosperms and angiosperms but are lacking in ferns and mosses?
A.
fruits and flowers
B.
spores
C.
pollen and seeds
D.
vascular system
E.
roots, stems, and leaves
5 points
Question 3
Which of the following characteristics is not shared by typical birds and mammals?
A.
four limbs
B.
endothermy
C.
insulating skin structures
D.
four-chambered heart
E.
milk production
5 points
Question 4
Lichens are
A.
parasitic interactions between a fungus and an alga.
B.
capable of causing some obscure diseases.
C.
insensitive to changes in the environment.
D.
only found growing on living matter.
E.
symbiotic associations between a fungus and an alga.
5 points
Question 5
In bryophytes, the rhizoids
A.
serve as attachment structures.
B.
are involved in reproduction.
C.
obtain nutrients.
D.
lure possible prey.
E.
obtain water.
5 points
Question 6
The segmented worms of the phylum Annelida
A.
have an open circulatory system.
B.
are acoelomate.
C.
display radial symmetry.
D.
possess setae on each segment.
E.
move by use of flagella.
5 points
Question 7
It is generally thought that four critical innovations arose during the evolution of our ape-like ancestors into humans. All of the following are innovations except
A.
expansion of the human brain.
B.
development of the opposable thumb.
C.
use of brain power for abstract thought.
D.
bipedalism.
E.
toolmaking.
5 points
Question 8
This characteristic allows fungi to withstand heat and drought conditions.
A.
hyphae
B.
spores
C.
cell walls
D.
specialized organelles
E.
mycelia
5 points
Question 9
In general, mammals are not good at dispersing chili plant seeds because
A.
the chili seeds do not stick to the mammals’ fur.
B.
chili seeds are dispersed mainly by the wind.
C.
the seeds die as they pass through the digestive tract.
D.
the mammals are the main pollinators for the chili plant.
E.
the mammals do not travel very far before they release the chili seeds.
5 points
Question 10
It is generally thought that animals have undergone four major physiological and anatomical innovations during their evolution. These are (in no particular order)
A.
bilateral symmetry, development of tissues, origin of the multichambered heart, origin of patterns of embryonic development.
B.
origin of patterns of embryonic development, development of the versatile forelimb, origin of the multichambered heart, multicellularity.
C.
development of tissues, photosynthesis, bilateral symmetry, multicellularity.
D.
development of the versatile forelimb, multicellularity, origin of patterns o ...
1- During your semester abroad you are taking part in a field study in.pdf
1. During your semester abroad you are taking part in a field study in a tropical localtion.
Although the area is in the tropics you are afforded indoor plumbing and electricity during your
stay. However, because you are at risk to specific parasitic roundworms your instructor explains
how to stay safe from infection. Which of the following statements will help you avoid
infection?
Multiple Choice
a. Mosquito repellent should be worn during the day and mosquito netting should be used while
sleeping to protect you from Wuchereria bancrofti .
b. Mosquito repellent should be worn during the day and mosquito netting should be used while
sleeping to protect you from Necator americanus .
c. Shoes (no open-toed shoes or sandals) or boots should be worn to prevent infection by
Wuchereria bancrofti .
d. Shoes (no open-toed shoes or sandals) or boots should be worn to prevent infection by
Necator americanus .
2. Most cnidarians possess two distinct body forms: the polyp, which is _________blank, and the
medusa, which is _________blank.
Multiple Choice
a. sessile; motile.
b. asymmetric; radially symmetric.
c. poisonous; nonpoisonous.
d. diplobastic; triploblastic.
3. Insects - of the subphylum Hexapoda - are remarkable for how successful they have been and
for their diversity. Which of these are key traits that help the insects, in particular, be so
widespread, diverse, and in so many ecological roles? true or false
a. Most insects have wings. True or False
b. Most insects molt their hard exoskeleton. True or False
c. Insect mouthparts are specialized in many different forms. True or False
d. Insects are parasites so they benefit from the work and nutrition of other animals. True or
False
e. The diets of insects, overall, are extremely varied, so different insects can specialize in almost
any food source. True or False
4. Your lab group is presented with an unknown mollusk. Your task is to assign it to one of the
major taxonomic classes. Which characteristic would allow you to say definitively that it belongs
to the Class Cephalopoda?
Multiple Choice
a. Mantle.
b. Gills.
c. Nephridia.
d. A closed circulatory system.
5. Jellyfish sting through specialized cells on their tentacles. Which of these has the most similar
function to the sting of a jellyfish:
Multiple Choice
a. The sting of a bee is because it injects venom to defend itself when threatened.
b. The bite of a snake because it injects venom to immobilize prey to eat.
c. The thorn of a cactus makes it too pointy to chew up.
d. The irritating oils of poison ivy or poison oak that rub onto animals that come in contact with
it.
6. Segmentation in the annelid worms has facilitated locomotion and specialization of different
parts of these animals. Evaluate the following statements about segmentation in the annelids and
determine if they are true or false.
A. Excretion is accomplished by paired protonephridia with flame cells in every segment of the
body. True or False
B. If the organs in one segment fa.
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Similar to BIO 101 Exam 8
QUESTION 1All of the following are parts of a flower except the.docx
QUESTION 1
All of the following are parts of a flower except the
A.
carpel.
B.
ovary.
C.
fruit.
D.
stamen.
E.
cuticle.
QUESTION 2
The segmented worms of the phylum Annelida
A.
have an open circulatory system.
B.
possess setae on each segment.
C.
are acoelomate.
D.
display radial symmetry.
E.
move by use of flagella.
QUESTION 3
In bryophytes, the rhizoids
A.
obtain nutrients.
B.
are involved in reproduction.
C.
obtain water.
D.
lure possible prey.
E.
serve as attachment structures.
QUESTION 4
Which of the following is not a characteristic differentiating Neanderthals from modern humans?
A.
Neanderthals had smaller brains.
B.
Neanderthals had larger noses.
C.
Neanderthals had projecting brow ridges.
D.
Neanderthals were shorter.
E.
Neanderthals were stronger.
QUESTION 5
Fungi exhibit certain characteristics. One of these characteristics is that they
A.
are capable of carrying on photosynthesis.
B.
lack cell nuclei.
C.
reproduce using seeds and pollen.
D.
reproduce using spores.
E.
are prokaryotes.
QUESTION 6
In plants, the secondary metabolites are primarily responsible for
A.
food gathering.
B.
nutrition.
C.
defense.
D.
protection against ultraviolet radiation.
E.
overcoming air pollutants.
QUESTION 7
In cnidarians, nematocysts are important in
A.
obtaining oxygen from the water.
B.
obtaining prey.
C.
movement.
D.
excretion of wastes.
E.
food digestion.
QUESTION 8
Cnidarians and ctenophores are similar in that they both have
A.
a pseudocoel.
B.
a digestive tract with two openings.
C.
radial symmetry.
D.
mesoderm.
E.
nematocysts.
QUESTION 9
All members of the phylum Chordata share
A.
exoskeletons.
B.
gills present throughout their lives.
C.
tails present throughout their lives.
D.
a vertebral column.
E.
a notochord present sometime in their lives.
QUESTION 10
It is generally thought that animals have undergone four major physiological and anatomical innovations during their evolution. These are (in no particular order)
A.
development of tissues, photosynthesis, bilateral symmetry, multicellularity.
B.
development of the versatile forelimb, multicellularity, origin of patterns of embryonic development, development of tissues.
C.
multicellularity, bilateral symmetry, origin of patterns of embryonic development, development of tissues.
D.
bilateral symmetry, development of tissues, origin of the multichambered heart, origin of patterns of embryonic development.
E.
origin of patterns of embryonic development, development of the versatile forelimb, origin of the multichambered heart, multicellularity.
QUESTION 11
Mammals have two traits that set them apart from all other animals. These are
A.
body hair or fur, and being homeothermic.
B.
four-chambered heart and milk production.
C.
amniotic eggs and milk production.
D.
body hair or fur, and milk production.
E.
four-chambered heart and body hair or fur.
QUESTION 12
Which of the following characteristics is not shared by typical birds and mammals?
A.
four limbs
B.
insulating skin ...
8- Which of the following statements are FALSE about the phylum Chorda.pdf
8. Which of the following statements are FALSE about the phylum Chordata. a. All chordates
have a postanal tal at some stage in life. b. All chordates have pharyngeal slits that wit develop
into ancther structure. c. In all chordates, the notochord is replaced by the soinal column during
development. e. Both B and C are FALISE 9. Deuterostomes exhibit. a. Radial cleavage b. The
blastopore becomes an anus c. Diploblastic germ layers d. Both A and B e. A , B , and C are all
correct 10. Damage to its flagellum would prevent a choanocyte from a. circulating water
through the sponge. b. stinging and capturing prey. c. secreting spongin to form the spenge body.
d. producing the supportive spicules. 11. How could a biologist distingaish an acoelomate
flatworm from a free-living nematode? a. The acoelomate worm would be solid throughout since
it lacks a true gut: b. The acoelomate worm would havo a nervous system. c. The nematode
would have a more primitive gut and nervous system. d) Only the acoelomate is triploblastic. 12.
Linnaeus lumped all of the worm-like animals into the category Vermes (Vermis is Latin for
worm). is this a vald classification scheme? a. No, because some worms are protists: b. Yes,
because all worms are members of the same kingdom and phylum. c. Yes, because all worm-like
animals are more closely related to each other than they are to other animals due to the
evolutionary history of this body plan. d. No, because the worm-like body plan has appeared
many times through evolutionary history and is not a useful trait for classification. 13. Which of
the following terms is mismutched with its meaning or characteristics? a. Diploblastic-ectoderm
and mesoderm b. Triploblastic-ectoderm, mesoderm, and endoderm c. Porifera-lacks symmetry
no tissues d. Chordate-an animal with notochord 14. The most diverse of the four eukaryotic
kingdoms is the: a. Protista Kingdom. b. Bacteria Kingdom. c. Plantae Kingdom. d. Animalia
kingdom. 15. Of the folowing features, which is the most widely shared in the animal kingdom?
a. protortome development b. radial cleavare c. inolring of a cuticle or exoskieleton d. a bady
gian with.iymmetry e. a triploblastic embryo.
1) Which of the following organisms conducts gas exchange via diffusio.pdf
1) Which of the following organisms conducts gas exchange via diffusion across the
body surface?
a) Both an earthworm and a clam
b) an earthworm
c) a beetle
d) a clam
e) a chiton
2) Trematodes lack dedicated circulatory systems because _____.
a) their body cavity, a pseudocoelom, carries out these functions
b) they have an extensive body surface that is kept moist.
c) none of their cells are far removed from the gastrovascular cavity or from the external
environment
d) they lack mesoderm as embryos and, therefore, lack the adult tissues derived from
mesoderm
3) All of the following might have been observed in the most recent common ancestor of
Chondrichthyans and Actinopterygiii, except...
a) scales
b) a mineralized skeleton
c) gills
d) a swim bladder
4) How are urochordates and cephalochordates similar?
a) Both have motile larvae that become sessile adults.
b) Both have a heart with two chambers.
c) Both have an endoskeleton of either bone or cartilage.
d) Both have adults that are suspension feeders.
5) What is believed to be the most significant result of the evolution of the amniotic egg?
a) Tetrapods could lay their eggs in a variety of terrestrial locations.
b) Tetrapods can grow much larger.
c) Newborns are much less dependent on their parents.
d) Embryos are protected from predators.
6) Which of the following are the most abundant and diverse of the extant vertebrates?
a) Birds
b) Amphibians
c) Mammals
d) Ray-finned fishes
1) Which of the following organisms conducts gas exchange via diffusion across the body
surface?
a) Both an earthworm and a clam
b) an earthworm
c) a beetle
d) a clam
e) a chiton
2) Trematodes lack dedicated circulatory systems because _____.
a) their body cavity, a pseudocoelom, carries out these functions
b) they have an extensive body surface that is kept moist.
c) none of their cells are far removed from the gastrovascular cavity or from the external
environment
d) they lack mesoderm as embryos and, therefore, lack the adult tissues derived from mesoderm
3) All of the following might have been observed in the most recent common ancestor of
Chondrichthyans and Actinopterygiii, except...
a) scales
b) a mineralized skeleton
c) gills
d) a swim bladder
4) How are urochordates and cephalochordates similar?
a) Both have motile larvae that become sessile adults.
b) Both have a heart with two chambers.
c) Both have an endoskeleton of either bone or cartilage.
d) Both have adults that are suspension feeders.
5) What is believed to be the most significant result of the evolution of the amniotic egg?
a) Tetrapods could lay their eggs in a variety of terrestrial locations.
b) Tetrapods can grow much larger.
c) Newborns are much less dependent on their parents.
d) Embryos are protected from predators.
6) Which of the following are the most abundant and diverse of the extant vertebrates?
a) Birds
b) Amphibians
c) Mammals
d) Ray-finned fishes
5) What is believed to be the most significant result of the evolution of the amniotic.
Question 1 Mammals have two traits that set them apart from all .docx
Question 1
Mammals have two traits that set them apart from all other animals. These are
A.
body hair or fur, and being homeothermic.
B.
body hair or fur, and milk production.
C.
four-chambered heart and milk production.
D.
amniotic eggs and milk production.
E.
four-chambered heart and body hair or fur.
5 points
Question 2
Which of the following are adaptations to land of both gymnosperms and angiosperms but are lacking in ferns and mosses?
A.
fruits and flowers
B.
spores
C.
pollen and seeds
D.
vascular system
E.
roots, stems, and leaves
5 points
Question 3
Which of the following characteristics is not shared by typical birds and mammals?
A.
four limbs
B.
endothermy
C.
insulating skin structures
D.
four-chambered heart
E.
milk production
5 points
Question 4
Lichens are
A.
parasitic interactions between a fungus and an alga.
B.
capable of causing some obscure diseases.
C.
insensitive to changes in the environment.
D.
only found growing on living matter.
E.
symbiotic associations between a fungus and an alga.
5 points
Question 5
In bryophytes, the rhizoids
A.
serve as attachment structures.
B.
are involved in reproduction.
C.
obtain nutrients.
D.
lure possible prey.
E.
obtain water.
5 points
Question 6
The segmented worms of the phylum Annelida
A.
have an open circulatory system.
B.
are acoelomate.
C.
display radial symmetry.
D.
possess setae on each segment.
E.
move by use of flagella.
5 points
Question 7
It is generally thought that four critical innovations arose during the evolution of our ape-like ancestors into humans. All of the following are innovations except
A.
expansion of the human brain.
B.
development of the opposable thumb.
C.
use of brain power for abstract thought.
D.
bipedalism.
E.
toolmaking.
5 points
Question 8
This characteristic allows fungi to withstand heat and drought conditions.
A.
hyphae
B.
spores
C.
cell walls
D.
specialized organelles
E.
mycelia
5 points
Question 9
In general, mammals are not good at dispersing chili plant seeds because
A.
the chili seeds do not stick to the mammals’ fur.
B.
chili seeds are dispersed mainly by the wind.
C.
the seeds die as they pass through the digestive tract.
D.
the mammals are the main pollinators for the chili plant.
E.
the mammals do not travel very far before they release the chili seeds.
5 points
Question 10
It is generally thought that animals have undergone four major physiological and anatomical innovations during their evolution. These are (in no particular order)
A.
bilateral symmetry, development of tissues, origin of the multichambered heart, origin of patterns of embryonic development.
B.
origin of patterns of embryonic development, development of the versatile forelimb, origin of the multichambered heart, multicellularity.
C.
development of tissues, photosynthesis, bilateral symmetry, multicellularity.
D.
development of the versatile forelimb, multicellularity, origin of patterns o ...
1- During your semester abroad you are taking part in a field study in.pdf
1. During your semester abroad you are taking part in a field study in a tropical localtion.
Although the area is in the tropics you are afforded indoor plumbing and electricity during your
stay. However, because you are at risk to specific parasitic roundworms your instructor explains
how to stay safe from infection. Which of the following statements will help you avoid
infection?
Multiple Choice
a. Mosquito repellent should be worn during the day and mosquito netting should be used while
sleeping to protect you from Wuchereria bancrofti .
b. Mosquito repellent should be worn during the day and mosquito netting should be used while
sleeping to protect you from Necator americanus .
c. Shoes (no open-toed shoes or sandals) or boots should be worn to prevent infection by
Wuchereria bancrofti .
d. Shoes (no open-toed shoes or sandals) or boots should be worn to prevent infection by
Necator americanus .
2. Most cnidarians possess two distinct body forms: the polyp, which is _________blank, and the
medusa, which is _________blank.
Multiple Choice
a. sessile; motile.
b. asymmetric; radially symmetric.
c. poisonous; nonpoisonous.
d. diplobastic; triploblastic.
3. Insects - of the subphylum Hexapoda - are remarkable for how successful they have been and
for their diversity. Which of these are key traits that help the insects, in particular, be so
widespread, diverse, and in so many ecological roles? true or false
a. Most insects have wings. True or False
b. Most insects molt their hard exoskeleton. True or False
c. Insect mouthparts are specialized in many different forms. True or False
d. Insects are parasites so they benefit from the work and nutrition of other animals. True or
False
e. The diets of insects, overall, are extremely varied, so different insects can specialize in almost
any food source. True or False
4. Your lab group is presented with an unknown mollusk. Your task is to assign it to one of the
major taxonomic classes. Which characteristic would allow you to say definitively that it belongs
to the Class Cephalopoda?
Multiple Choice
a. Mantle.
b. Gills.
c. Nephridia.
d. A closed circulatory system.
5. Jellyfish sting through specialized cells on their tentacles. Which of these has the most similar
function to the sting of a jellyfish:
Multiple Choice
a. The sting of a bee is because it injects venom to defend itself when threatened.
b. The bite of a snake because it injects venom to immobilize prey to eat.
c. The thorn of a cactus makes it too pointy to chew up.
d. The irritating oils of poison ivy or poison oak that rub onto animals that come in contact with
it.
6. Segmentation in the annelid worms has facilitated locomotion and specialization of different
parts of these animals. Evaluate the following statements about segmentation in the annelids and
determine if they are true or false.
A. Excretion is accomplished by paired protonephridia with flame cells in every segment of the
body. True or False
B. If the organs in one segment fa.
1- Which of the following characteristics unite the Lepidoptera and Tr.docx
1. Which of the following characteristics unite the Lepidoptera and Trichoptera?: a. Hairs or scales covering the wings. b. A proboscis to suck a primarily liquid diet. c. Larvae lacking compound eyes, but having stemmata. d. A and C. e. All of the above 2. Maggot-like larvae are common throughout the Insecta. What are some possible explanations of this pattern?: a. A parasitoid lifecycle has resulted in the loss of legs, eyes and other appendages. b. A leafmining lifecycle has resulted in the loss of legs, eyes and other appendages. c. Communal care in a colony has resulted in the loss of legs, eyes and other appendages. d. A and B. e. All of the above 3. Ant mutualists defend some species of plants by clearing neighboring plants and removing pest insects. What services does the plant provide in return?: a. Extrafloral nectaries, which are primarily rich in amino acids. b. Protein rich Beltian bodies. c. A protected enclosure to call home. d. B and C. e. All of the above 4. You're rummaging in the leaf litter and come across an interesting caterpillar-like larva, but you're unsure whether it's a member of the Symphyta or the Lepidoptera. To tell them apart you look for: a. Three pairs of true legs. b. A well-defined sclerotized head capsule. c. Prolegs that do not have crochets. d. Chewing mandibles versus sucking mouthparts. e. Who isn't vibing. 5. You come across a winged male insect and being a world-renowned myrmecologist, you immediately know it is an ant because of the following character(s) (circle any): a. The antennae are elbowed. b. The insect lacks a stinger. c. Only male ants have wings. d. It is not married to your uncle e. The mesosoma is separated from the gaster by a humped pedicel. 6. Which statements about insect symbionts are correct?: a. Alimentary tract symbionts are frequently transferred vertically, via eggs of the host. b. Endosymbionts are most commonly transferred horizontally, for instance by anal feeding by the host. c. Primary endosymbionts frequently evolve in parallel with their insect hosts. d. Secondary endosymbionts are typically obligate mutualists with their insect hosts. e. All of the above. 7. The Lepidopteran family a. Gracillaridae; particularly rapid metamorphosis. b. Sphingidae; when the pupa is able to move around. c. Agromyzidae; dramatic morphological changes between instars. d. Gracillaridae; dramatic morphological changes between instars.
.
1. Members of one species cannot successfully interbreed and produc.docx
1. Members of one species cannot successfully interbreed and produce fertile offspring with members of other species. This idea is known as
a. reproductive success.
b. punctuated evolution.
c. adaptive radiation.
d. the biological species concept.
e. geographic isolation.
2. The origin of new species, the extinction of species, and the evolution of major new features of living things are all changes that result from
a. macroevolution.
b. fitness.
c. speciation.
d. the biological species concept.
e. convergent evolution.
3. Which is a barrier that can contribute to reproductive isolation?
a. timing
b. behavior
c. habitat
d. incompatible reproductive structures
e. all of the above
4. Which of the following statements is false?
a. Horses and donkeys are separate species.
b. Two mules can mate and produce fertile offspring.
c. A horse and a donkey can mate and produce offspring.
d. Two donkeys can mate and produce fertile offspring.
e. Two horses can mate and produce fertile offspring.
5. The evolution of the penguin’s wing from a wing suited for flying to a “flipper-wing” used for swimming is an example of
a. refinement of existing adaptations.
b. reproductive isolation.
c. adaptation of existing structures to new functions.
d. inheritance of acquired characteristics.
e. the biological species concept.
6. Which of the following have been preserved as fossils?
a. dinosaur footprints
b. insects preserved in amber
c. petrified plant remains
d. animal bones
e. all of the above
7. The mass extinctions that included the dinosaurs took place during which period?
a. Cambrian (543–510 million years ago)
b. Devonian (409–363 million years ago)
c. Carboniferous (363–290 million years ago)
d. Jurassic (206–144 million years ago)
e. Cretaceous (144–65 million years ago)
8. The development of the complex, camera-like eye of a mammal is an example of
a. refinement of existing adaptations.
b. reproductive isolation.
c. adaptation of existing structures to new functions.
d. inheritance of acquired characteristics.
e. the biological species concept.
9. Which of the following statements is true?
a. Carbon-14 dating is useful for studying the age of early dinosaur fossils.
b. Carbon-14 has a half-life of 5,730 years.
c. Uranium-238 has a very short half-life.
d. Uranium-238 is present in all organisms.
e. Carbon-12 is not found in living plants.
10. Which of the following provides the best explanation for why Australia has so many organisms unique to that continent?
a. punctuated equilibrium
b. the biological species concept
c. convergent evolution
d. continental drift
e. cladistics
11. Scientists think that a meteor that fell in ____________________ may have led to the extinction of the dinosaurs.
a. Australia
b. the Yucatán peninsula
c. The Galápagos Islands
d. Pangaea
e. India
12. The great diversit.
Questions about Nematoda 1- What is ecdysis- 2- How does movemen in a.docx
Questions about Nematoda 1. What is ecdysis? 2. How does movemen in a nematode worm compare to that of an annelid worm? 3. How could you tell whether a worm was a sematode versus a platybelmiath? Provide two distinguiching characteristics of each. 4. How could you tell whether a worm was a nemutode versus an annelid? Provide one distinguishing feature. Part 3. Mollusce: General Questions about Molluscs 1. Examine a prepared slide of a trechophore larvac. Weuld you expect to fisd this in the life-ycle of a marine or a tcrestrial molluse, and why? 2. What are the three main body parts of a melluse? 3. Examine the prepared shides of a nadula. What is the function of a radula? Questions about Class Polyplacophora 1. What is the casiest fcature to see that allows yoe to idenify a member of this class? 2. What does a chilon eat with its radula? Questions about Class Gastropoda 1. Provide common names for: a. Gastropods with shells: b. Terrestrial gastropods witheut shelle: c. Marine gactropods without shellk: 2. Most gastropeds ase marine, but gastropods abe isclude the enly molleses that have moved anto land. How de the features of land gastropods differ from marine gastropeds?
.
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BIO 101 Exam 8
- 1. Buy here: http://student.land/products.php?product=BIO-101-Exa m-8 Question 1 Which of these made advanced tools and produced artwork? Select one: a. Homo erectus b. Homo habilis c. Cro-Magnon man d. Neandertal man e. Homo ergaster Question 2 Which types of embryos have extraembryonic membranes? Select one: a. fish
- 2. b. frog c. salamander d. shark e. mammalian Question 3 Correct The first member of genus Homo to use fire is Select one: a. Australopithecus robustus. b. Australopithecus africanus. c. Homo habilis. d. Homo erectus. e. Homo sapiens. Question 4 Correct
- 3. Although adult tunicates are stuck to the ocean bottom, they are considered early relatives of vertebrates because Select one: a. tunicate gill slits are like ribs. b. tunicate adults have a notochord. c. tunicate larvae have a notochord. d. all vertebrate embryos go through a stage that resembles adult tunicates. e. tunicate adults have all four chordate characteristics. Feedback Question 5 Endothermic animals with four-chambered hearts include the Select one: a. amphibians. b. reptiles. c. fish. d. arthropods. e. birds. Feedback
- 4. Question 6 Which of these is NOT a true statement? Select one: a. All chordates are vertebrates. b. All vertebrates are chordates. c. Tunicates and lancelets are invertebrate chordates. d. Echinoderms and chordates are deuterostomes. e. Sea squirts are invertebrate chordates. Feedback Question 7 Which of the following is NOT a unique characteristic of chordates at some time in their life history? Select one: a. a dorsal notochord b. a ventral hollow nerve cord c. pharyngeal pouches d. gill clefts
- 5. e. a post-anal tail Feedback Question 8 Both echinoderms and chordates are deuterostomes, this means that Select one: a. They have a similar development in their embryonic stages. b. They both have eyes that have retinas. c. They both start with radial symmetry in their early embryonic stages. d. They both use calcium based endoskeletons. e. They are both invertebrates. Feedback Question 9 Non-vertebrate chordates, tunicates and lancelets, differ from other chordates in that Select one: a. They do not have a notochord. b. They have gills while other chordates have lungs. c. They do not have jaws while all other chordates do have them.
- 6. d. The notochord of non-vertebrate chordates does not become a vertebral column. e. Non-vertebrate chordates do not have a internal bony skeleton while all other chordates do. Feedback Question 10 Which of the following characteristics is NOT a distinguishing feature of all primates? Select one: a. opposable thumb b. fingernails c. usually single birth d. extended period of parental care e. expanded hindbrain Feedback Question 11 Which of these is a proper contrast between birds and mammals? Select one: a. Birds are cold-blooded; mammals are warm-blooded. b. Birds are egg laying; no mammals lay eggs.
- 7. c. Birds have air sacs in addition to lungs; mammals have no air sacs. d. Birds lack a septum between the ventricles; mammals have a septum between the ventricles. e. Birds, unlike mammals, require no parental care. Feedback Question 12