Top-down factors that can control the population sizes of plants or animals include

A. seed-dispersing birds.
B. parasites and predators.
C. widespread phoresy.
D. resource partitioning.
E. Batesian mimicry.


B. parasites and predators.

Biology & Microbiology

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In most ferns, roots and leaves sprout from ____

a. fronds b. rhizomes c. sporangia d. sori e. gametophytes

Biology & Microbiology

Trichoplax adhaerens has no nerve cells, but

scientists have discovered a. genes that encode signaling molecules. b. a response to harsh chemicals. c. movement toward a food source. d. adherence genes. e. none of these.

Biology & Microbiology

Dolphins share synapomorphies with dolphins

_____________________ Indicate whether the statement is true or false.

Biology & Microbiology

Define natural selection.

What will be an ideal response?

Biology & Microbiology