The document describes characteristics of various protists from different supergroups, including that they cause illnesses like malaria, inhabit environments like oceans and intestines, use structures like flagella and pseudopods to move and feed, and play important ecological roles as primary producers or toxins.
They have distinct cell nuclei and membrane-bound organelles which allow for compartmentalization and dedication of specific areas of the cell for specific functions.
Plays a very important role in the phylogeny of all eukaryotes.
They serve as the stem group for the fungi, plants, and animals.
Major groups within this kingdom include the algae, euglenoids, ciliates, protozoans and flagellates.
They have distinct cell nuclei and membrane-bound organelles which allow for compartmentalization and dedication of specific areas of the cell for specific functions.
Plays a very important role in the phylogeny of all eukaryotes.
They serve as the stem group for the fungi, plants, and animals.
Major groups within this kingdom include the algae, euglenoids, ciliates, protozoans and flagellates.
Biology I Presentation
FUNGI
We will learn
General characteristics of fungi
Structure of fungi
Economic Importance
Pathogenicity
Brief intro of some fungi
THE SIX KINGDOMS
Fungi are placed in a separate kingdom called the kingdom fungi
OF FUNGI
CHARACTERISTICS
The Characteristics of Fungi
Fungi are NOT plants
Nonphotosynthetic
Eukaryotes
Nonmotile
Most are saprobes (live on dead organisms)
The Characteristics of Fungi
Absorptive heterotrophs (digest food first & then absorb it into their bodies
Release digestive enzymes to break down organic material or their host
Store food energy as glycogen
The Characteristics of Fungi
Important decomposers & recyclers of nutrients in the environment
Most are multicellular, except unicellular yeast
Lack true roots, stems or leaves
fungi as a decomposers
The Characteristics of Fungi
Cell walls are made of chitin (complex polysaccharide)
Body is called the Thallus
Grow as microscopic tubes or filaments called hyphae
The Characteristics of Fungi
Some fungi are internal or external parasites
A few fungi act like predators & capture prey like roundworms
The Characteristics of Fungi
Some are edible, while others are poisonous
The Characteristics of Fungi
Produce both sexual and asexual spores
Classified by their sexual reproductive structures
The Characteristics of Fungi
Grow best in warm, moist environments
Mycology is the study of fungi
Mycologists study fungi
A fungicide is a chemical used to kill fungi
The Characteristics of Fungi
Fungi include puffballs, yeasts, mushrooms, toadstools, rusts, smuts, ringworm, and molds
The antibiotic penicillin is made by the Penicillium mold
FUNGI SIZE
NON-REPRODUCTIVE
Vegetative Structures
Hyphae
Tubular shape
ONE continuous cell
Filled with cytoplasm & nuclei
Multinucleate
Hard cell wall of chitin also in insect exoskeletons
Hyphae
Stolons – horizontal hyphae that connect groups of hyphae to each other
Rhizoids – rootlike parts of hyphae that anchor the fungus
Hyphae
Cross-walls called SEPTA may form compartments
Septa have pores for movement of cytoplasm
Form network called mycelia that run through the thallus (body)
Absorptive Heterotroph
Fungi get carbon from organic sources
Tips of Hyphae release enzymes
Enzymatic breakdown of substrate
Products diffuse back into hyphae
Modifications of hyphae
Fungi may be classified based on cell division (with or without cytokinesis)
Aseptate or coenocytic (without septa)
Septate (with septa)
Modifications of hyphae
Hyphal growth
Hyphae grow from their tips
Mycelium is an extensive, feeding web of hyphae
Mycelia are the ecologically active bodies of fungi
ASEXUAL & SEXUAL SPORES
REPRODUCTIVE STRUCTURES
REPRODUCTION
Most fungi reproduce Asexually and Sexually by spores
ASEXUAL reproduction is most common method & produces genetically identical organisms
Fungi reproduce SEXUALLY when conditions are poor & nutrients
This PowerPoint is one small part of the Taxonomy and Classification unit from www.sciencepowerpoint.com. A 3800+ slide Five Part PowerPoint presentation becomes the roadmap for an amazing and interactive science experience full of built-in lab activities, built-in quizzes, video links, class notes(red slides),review games, projects, unit notes, answer keys, and much more. Also included is a student version of the unit that is much like the teachers but missing the answer keys, quizzes, PowerPoint review games, hidden box challenges, owl, and surprises meant for the classroom. This is a great resource to distribute to your students and support professionals. The Classification and Taxonomy Unit covers topics associated with Taxonomy and Classification. The unit examines all of the Kingdoms of Life in detail. Areas of Focus within The Taxonomy and Classification Unit: -Taxonomy, Classification, Need for Taxonomy vs. Common Names, What is a Species?, Dichotomous Keys, What does Classification Use?, The Domains of Life, Kingdoms of Life,The 8 Taxonomic Ranks, Humans Taxonomic Classification, Kingdom Monera, Prokaryotic Cells, Types of Eubacteria, Bacteria Classification, Gram Staining,Bacterial Food Borne Illnesses, Penicillin and Antiseptic, Oral Hygiene and Plaque, Bacterial Reproduction (Binary Fission), Asexual Reproduction, Positives and Negatives of Bacteria, Protista, Plant-like Protists, Animal-like Protists, Fungi-like Protists, Animalia, Characteristics of Animalia, Animal Symmetry, Phylums of Animalia (Extensive), Classes of Chordata, Mammals, Subclasses of Mammals, Characteristics of Mammals, Fungi, Positives and Negatives of Fungi, Divisions of Fungi (Extensive), Parts of a Mushroom, 3 Roles of Fungi, Fungi Reproduction, Mold Prevention, Plant Divisions, Kingdom Plantae. If you have any questions please feel free to contact me. Thanks again and best wishes. Sincerely, Ryan Murphy www.sciencepowerpoint@gmail.com
General characteristics of Algae,Basis for the classification of Algae,Fritsch classification of algae,Van den Hoek (1995) classified algae into 11 divisions,Chlorophycophyta – The green algae,Rhodopycophyta-The red algae,Cryptophycophyta-The cryptomonads,Euglenophycophyta-The euglenoids,Chrysophyciphyta –The Golden brown algae.
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Epistemic Interaction - tuning interfaces to provide information for AI support
Protista example organisms
1.
2. Supergroup: Excavata
It is a Diplomonad
Lives in the intestines of mammals
Infects people when they drink water
contaminated with feces that has the
cysts of the protist.
Causes severe diarrhea
The way to kill the this parasite is by
boiling it.
3. Supergroup: Excavata
It is a Parabasalid
It is a sexually transmitted parasite that
infects about 5 million people each year.
It travels along the reproductive and
urinary tracts by moving its flagellum
along the mucous- coated linings.
Is known to infect the vagina in females,
but can also infect the urinary tract in
males.
4. Supergroup: Excavata
It is a Euglenozoan
Has an eyespot which it uses to “look” for
its food
Uses flagella to move around
5. Supergroup: Chromalveolata
It is a Dinoflagellate
Inhabits the Gulf of Mexico
Releases toxins that kill invertebrates and
fishes.
People who eat mollusks with the toxins
released by this protist can potentially
die in serious cases.
6. Supergroup: Chromalveolata
It is an Apicomplexan
It is a parasite that causes Malaria in
humans
Almost all deaths due to malaria are
cases of this specific protist.
7. Supergroup: Chromalveolata
It is a Ciliate
They contain many cilia that help them
to move around and capture their prey
They live in fresh water
They have 2 nuclei
It is sometimes referred to as a
“slipper” because of its shape.
8. Supergroup: Chromalveolata
It is a Diatom
They are photosynthetic
They are found in marine environments,
sometimes attached to marine life.
9. Supergroup: Chromalveolata
It is a Golden algae
It is flagellated, which aids in its mobility.
It produces a toxin that kills fish.
However, it poses no known threat to
humans.
10. Supergroup: Chromalveolata
It is a Brown algae
It is commonly known as “Giant Kelp”
It is found in the eastern Pacific Ocean
It can grow up to 45 meters long, as
many as 2 feet a day
11. Supergroup: Chromalveolata
It is an Oomycete
Causes potato late blight, which turn the
roots of potato plants to black slime
Cause of the potato famine in Ireland
12. Supergroup: Rhizaria
It is a Chlorarachniophyte
Is an autotrophic amoeba
Has a nucleomorph (which shows that it
is an example of endosymbiosis with
algae)
Contains pseudopodia
13. Supergroup: Rhizaria
It is a Foram
It is a found in marine environments and
can survive under high salinity
Has been found in a variety of places,
including European seas, around Guam,
in the Gulf of Mexico, and in the
Mediterranean.
14. Supergroup: Rhizaria
It is a Radiolarian
Found in ocean depths of 99- 510 meters
Have axopods that give the protists their
buoyancy
15. Supergroup: Archaeplastida
It is a Red algae
It is brownish- red in color
It is found in Ireland and Britain
It is a seasonal algae, appearing
between October to March.
16. Supergroup: Archaeplastida
It is a Chlorophyte
Carotenoid pigments in this species turn
snow red, creating a “Watermelon
Snow” effect
They can carry out photosynthesis
despite the temperatures.
The snow actually acts as a shield for
these organisms
17. Supergroup: Archaeplastida
It is a Charophycean
It is sometimes, although rarely, found in
the Baltic Sea at very low salinities
It is mainly found in fresh water in
northeastern Europe, particularly Finland,
Sweden, and Russia.
18. Supergroup: Unikonta
It is a Slime mold
Is most commonly found on forest floors
Is used frequently in studying
multicellularity, because they are
examples of how they mutate so that
they can reproduce
19. Supergroup: Unikonta
It is a Gymnamoeba
Eats by using pseudopods to catch the
surrounding organisms
It uses pseudopods to move around as
well
It is found in marshy areas
20. Supergroup: Unikonta
It is an Entamoeba
Is pathogenic
Causes amebic dysentry
Is spread by contaminated water, food,
or eating utensils
21. Supergroup: Unikonta
It is a Nucleariid
Has been found in warm spring water in
Japan
Can exist as either spherical and floating
or a flattened amoeboid form
They are heterotrophic
22. Supergroup: Unikonta
It is a Choanoflagellate
Has been a major topic of study because its
genome has revealed that it has many
similarities to algae.
Because it has so many similarities, a
hypothesis suggests that in early
evolutionary history, a Choanoflagellate
engulfed an algae, and this particular
species is the result.