All of the following contributed to speciation in Darwin's finches except

A. changes in gene pools.

B. lack of competition.

C. behavioral isolation.

D. geographic isolation.

What happens to a food chain when an organism is removed

Which of the following would you classify as something other than an animal? A) spongesB) coralC) jellyfishD) choanoflagellates

Why was nucleic acid disregarded for so long as the molecule responsible for the transmission of hereditary information?

In a given population of Drosophila, curly wings (c) is recessive to the wild-type condition of straight wings (c+).

What is the difference between a cell and a tissue?

Which organism's are omnivores? A) The snake, the bear, and the fish B) The fish and the eagle C) The bear and the fish D) The snake and the mouse If an omnivore is an animal that eats both plants and animals, I'd choose D because all the other

How are all humans similar?

Why does earth have such a diversity of plant and animal life? give three reasons.

After sequencing a molecule of dna, you discover that 20% of the bases are cytosine. what percentage of the bases would you expect to be thymine? explain why.

Kidneys that can conserve water are essential to homeostasis because: a) some animals live in dry or salty environments. b) some animals drink water.