The term “plankton”
a. refers to a taxonomic division of algae.
b. is a common term for unicellular organisms that
drift or swim weakly in water.
c. includes only multicellular forms.
d. refers to small aquatic plants.
e. would apply to large brown algae.
Answer: b
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When cells begin to move in the embryo in relation to other cells, this is called
A. growth. B. cleavage. C. morphogenesis. D. fertilization. E. differentiation.
The physical, chemical and biological conditions a species needs to survive and reproduce is a(n) ____
a. meta-community b. habitat c. biome d. ecosystem e. niche
Dizygotic twins are also called fraternal twins
___________________ Indicate whether the statement is true or false.
Listeria monocytogenes pathogenesis is directly related to its ability to
A) produce a powerful toxin. B) form endospores. C) produce a polysaccharide capsule. D) live and reproduce inside its host's cells. E) resist most antimicrobial agents.