Change in beak size over time in Darwin's finches is an example of

A) environmental gradient.
B) fundamental niche.
C) competitive exclusion.
D) character displacement.


D

Biology & Microbiology

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How would Si depletion in the photic zone of the open ocean affect the biological pump and the C cycle?

What will be an ideal response?

Biology & Microbiology

Water is capable of dissolving many substances including salt and sugar. Water can be described as which of the following?

a. solute b. solution c. solvent d. ionic compound

Biology & Microbiology

__________ or __________ extend from many prokaryotic cells and serve in attachment and motility

ANSWER: Pili; flagella Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

You would not expect to find homeobox or homeobox-like genes in:

a. Drosophila. b. Arabidopsis. c. C. elegans. d. H. sapiens e. E.coli

Biology & Microbiology