Which of the following do not obtain their oxygen by diffusion from surrounding water?
A. roundworms
B. frogs
C. dolphins
D. sponges
E. cnidarians
Answer: C
Biology & Microbiology
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If two genes are linked, they will appear to violate Mendel's law of segregation.
a. true b. false
Biology & Microbiology
Because of the freezing temperatures of the deep ocean, all deep-sea fish must be endotherms
Indicate whether the statement is true or false
Biology & Microbiology
Human social behavior appears to be
A) exclusively a product of our genes. B) determined by only the environment. C) a product of our genes, external influences, and environment.
Biology & Microbiology
Because they differ from other living organisms by lacking a discrete nucleus and many other cell inclusions, bacteria and archaea are more closely related to one another than they are to eukaryotes.
Answer the following statement true (T) or false (F)
Biology & Microbiology