18 Questions
What is a characteristic common to green algae and the first plants?
Cell walls containing cellulose
What is the function of carotenes and xanthophylls in green algae?
To mask the green color of chlorophylls
What is the characteristic of Chlamydomonas that allows it to survive harsh conditions?
Its ability to form a cyst stage
What is the type of sexual reproduction in some species of Chlamydomonas?
Oogamy
What is the function of gametangia in Chlamydomonas?
To produce gametes
What is the characteristic that distinguishes oogamous from isogamous species of Chlamydomonas?
The presence of visual differentiation between male and female gametes
What is a characteristic that distinguishes protists from other organisms?
The presence of a true nucleus and organelles
What is the term used to describe aquatic organisms that make photosynthesis, like terrestrial plants?
Algae
How are algae classified?
According to their pigmentation
What is the characteristic of most protists?
They are unicellular
What is the name of the division of protists that includes green algae?
Chlorophyta
Where can protists be found?
Everywhere there is water
What is the mode of nutrition for Heterotrophic Protozoans?
Ingesting food like animals
How is the Phylum Sarcodina characterized?
Pseudopodia for movement
What is the function of contractile vacuoles in Amoeba?
Osmoregulation
What is the life cycle of Plasmodium vivax characterized by?
Formation of infective spores
What is the unique characteristic of Slime molds and Water molds?
Similar characteristics to fungi
What is the function of chlorophyll in Algae?
Capture of light energy
Explore the characteristics of green algae, including their cell walls, reserve food, and chlorophylls. Learn how they compare to the first plants and discover their modes of nutrition. Test your knowledge of these ancient organisms!
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