Radially symmetrical animals have a nerve __________. Fill in the blank(s) with the appropriate word(s)


ANSWER: net

Biology & Microbiology

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Of the biomes listed, which is best adapted to seasonal fires?

A) Coniferous forests B) Tundra C) Broadleaf forests D) Chaparral

Biology & Microbiology

In the section "Investigating Life: Birds Do, Bees Do It", bumblebees pollinated M. lewisii, whereas hummingbirds preferred the red-flowered M. cardinalis. If a hummingbird carries M. cardinalis pollen to M. lewisii, the resulting hybrid offspring are viable. M. lewisii and M. cardinalis are different species because of

A. post-zygotic barriers to reproduction. B. pre-zygotic barriers to reproduction. C. punctuated equilibrium. D. gradualism. E. asexual reproduction.

Biology & Microbiology

The substrate in the Mannitol Salt Agar is

A. lactose B. ornitine C. lysine D. mannitol E. sodium chloride

Biology & Microbiology

A white blood cell surrounds and engulfs a worn-out red blood cell, forming a vesicle around the red blood cell. This process is called

- phagocytosis. - exocytosis. - pinocytosis. - active transport. - facilitated diffusion.

Biology & Microbiology