Biologists sometimes divide living organisms into two groups: autotrophs and heterotrophs. These two groups differ in _____

A) their sources of energy
B) their electron acceptors
C) their mode of nutrition
D) the way that they generate ATP


C

Biology & Microbiology

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A(n) ________ is a type of community with relatively consistent species composition; a uniform, general appearance; and a distribution that is characteristic of a particular habitat

Fill in the blank(s) with correct word

Biology & Microbiology

An emu is a flightless bird that still has wings. These wings are an example of

A) mutation. B) adaptation. C) analogous structures. D) homologous structures. E) vestigial structures.

Biology & Microbiology

A structural component of the cell that may enhance virulence of bacterium include

A. Capsule B. Hyaluronidase C. Flagella D. Lecithinase

Biology & Microbiology

The nonliving portion of the bone is made mostly of _____

polysaccharides, sodium, and sugars keratin, sodium, and sebum collagen fibers, calcium, and phosphates red bone marrow, yellow bone marrow, and spongy bone

Biology & Microbiology