A protozoan cyst differs from a helminth egg in that
A. the chromosome is free in the cytoplasm of a cyst, but enclosed in a nucleus in an egg.
B. a cyst is metabolically active, but an egg is not.
C. the cyst can germinate to form the organism but the egg must be fertilized.
D. cysts have a uniform structure, but eggs have a wide variety of morphologies.
Answer: C
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Answer the following statement true (T) or false (F)
A population ecologist wants to estimate the
size of a robin population. In an apple orchard, she captures 10 robins, marks them, and then releases them. She returns several weeks later and captures another 10 robins of which 2 are robins she previously marked. The estimated population size of robins is
a. 50 b. 15 c. 10 d. 200 e. 20
The only group of fungi to have a flagellated stage
are the a. Chytrids. b. Ascomycetes. c. Basidiomycetes. d. Glomeromycetes e. Zygomycetes.
Unicellular microorganisms that lack a membrane-bound nucleus and other membranous organelles are classified into two domains: ________ and ________
Fill in the blank(s) with correct word