Taxonomic classification-also knownas biological
classification or taxonomy, is a hierarchical system
used to organize and categorize all living
organisms, both extant and extinct. This system
reflects evolutionary relationships, grouping
organisms with shared characteristics into
increasingly specific categories. The primary goal
is to establish a structured framework for
understanding the immense diversity of life on
Earth.
4.
domain-is the highestrank of organisms. It's a
broad categorization that groups together
organisms with fundamental similarities at a very
basic level, even more so than kingdoms. Think of
it as the broadest possible grouping before you
start narrowing down the characteristics of life.
5.
3 types ofdomain
Bacteria
This domain includes all
prokaryotic organisms that have
peptidoglycan in their cell walls.
Archaea
Also prokaryotic, archaea
differ from bacteria in their
cell wall composition and
membrane lipid structure
Eukarya
This domain encompasses all
organisms with eukaryotic
cells, meaning their cells
contain a nucleus enclosed
within a membrane.
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6.
Kingdom-represents a majordivision of
organisms based on shared characteristics
like cell structure, mode of nutrition (how
they obtain energy), and evolutionary
history. It's a fundamental level of biological
organization, allowing scientists to
categorize the vast diversity of life on Earth
in a manageable way.
7.
5 kingdom’s
Animalia:Includes all animals, like mammals,
birds, insects, etc.
Plantae: Includes all plants, like trees, flowers,
and grasses.
Fungi: Includes mushrooms, molds, and yeasts.
Protista: A diverse group of mostly unicellular
eukaryotic organisms.
Monera (or Bacteria and Archaea): Includes
prokaryotic organisms, like bacteria and archaea
8.
PHYLUM-It represents amajor grouping of
organisms sharing a common body plan and
evolutionary history. Think of it as a broad category
encompassing diverse but related life forms. The
criteria for defining a phylum have evolved with
advancements in genetic analysis and our
understanding of evolutionary relationships.
9.
9 types ofPhylum
Porifera
These are sponges,
characterized by their
cellular level of organization
and lack of true tissues.
Cnidaria
Includes jellyfish, corals, and
sea anemones, known for
their radial symmetry and
stinging cells (cnidocytes).
Platyhelminthes
Flatworms, often parasitic,
characterized by their
dorsoventrally flattened
bodies.
10.
9 types ofPhylum
Nematoda
Roundworms, exhibiting a
more complex body plan
with organ systems.
Annelida
Segmented worms, like
earthworms, with segmented
bodies and a coelom.
Arthropoda
The largest phylum, including
insects, crustaceans, and
arachnids, with jointed
appendages and
exoskeletons.
11.
9 types ofPhylum
Mollusca
Snails, clams, and octopuses,
known for their soft bodies
and often shells.
Echinodermata
Starfish, sea urchins, and sea
cucumbers, characterized
by radial symmetry and a
water vascular system.
Chordata
Includes vertebrates
(animals with backbones)
like fish, amphibians, reptiles,
birds, and mammals, as well
as some invertebrates like
tunicates and lancelets.
12.
Class-The class ranksbelow the phylum
and above the order in taxonomy.
Members of a class share more
characteristics with each other than they
do with other organisms in the same
phylum.
13.
3 types ofclass
Mammals
is warm-blooded higher
vertebrates (such as
placentals, marsupials, or
monotremes) that nourish
their young with milk
secreted by mammary
glands, have the skin
usually more or less
covered with hair, and
include humans.
Aves/Birds
They are characterized by
having the following
features: wings and
feathers. laying eggs with
a hard shell. being
bipedal.
Reptilia/Reptiles
a group of air-breathing
vertebrates characterized by
having internal fertilization,
amniotic development, and
scales or bony plates
covering their bodies.
14.
Order-is a rankwithin the classification of
organisms, positioned between class and
family. It groups together related families
that share more specific characteristics
than those of the broader class.
15.
3 types ofOrder
Carnivore
A carnivore is an organism
that mostly eats meat, or
the flesh of animals.
Sometimes carnivores are
called predators.
Herbivore
A herbivore is an animal
that primarily or exclusively
eats plants. They are
adapted to consume and
digest plant material,
Omnivores
an animal or person that
eats food of both plant
and animal
16.
Family-taxonomic rank situatedbetween
the order and the genus. It groups together
genera (and their respective species) that
share a significant number of common
characteristics, indicating a closer
evolutionary relationship.
17.
Types of family
Canidae
Thefamily Canidae includes
the genera Canis (e.g.,
wolves, coyotes, dogs) and
Vulpes
Felidae
The family Felidae includes the
genera Felis (e.g., domestic cats)
and Panthera
Rosaceae
The family Rosaceae includes various
genera of flowering plants like Rosa
(roses), Prunus (cherries, plums), and
Fragaria (strawberries).
18.
Genus-is a rankin the classification of
organisms, positioned between the family
and the species. It groups closely related
species that share common characteristics.
1.Which of thefollowing is the correct order of taxonomic ranks from most
specific to highest
a) Kingdom, Phylum, Class, Order, Family, Genus, Species, domain
b) Species, Genus, Family, Order, Class, Phylum, Kingdom, domain
c) Genus, Species, Family, Order, Class, Phylum, Kingdom, domain
d) Kingdom, Class, Phylum, Order, Family, Genus, Species, domain
2. Which of the following is NOT a domain in the three-domain system?
a) Bacteria
b) Archaea
c) Eukarya
d) Fungi
3. Which of the following is the correct order of taxonomic ranks from most
highest to most specific?
a) Kingdom, Phylum, Class, Order, Family, Genus, Species
b) Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species
c) Phylum, Kingdom, Class, Order, Family, Genus, Species
d) Species, Genus, Family, Order, Class, Phylum, Kingdom
27.
4. Which ofthe following is the most specific level of classification?
(a) Phylum
(b) Class
(c) Order
(d) Species
5. Which domain includes organisms with cells that have a nucleus?
a) Bacteria
b) Archaea
c) Eukarya
d) All of the above
6. The study of classifying organisms is called:
a) Ecology
b) Taxonomy
c) Genetics
d) Physiology
7. Which of the following is NOT PYLUM IN THE 9 TYPES OF PHLUM?
a) Porifera
b) Platyhelminthes
c) Echinodermata
d) Canidae
28.
8. Which ofthe following is NOT a kingdom in the five-kingdom classification
system?
a) Animalia
b) Fungi
c) Plantae
d) Virus
9. Which level of classification is directly below the class?
(a) Order
(b) Family
(c) Genus
(d) Phylum
10. Which taxonomic rank is more specific than order?
(a) Family
(b) Class
(c) Genus
(d) Phylum