Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN: 9780134580999
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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3) There are very few native reptile and amphibian species in Maine.

What abiotic factor limits their ability to survive there?

A) There is not ample water in Maine.

B) There is too much competition in Maine.

C) The temperature in Maine is too high.

D) temperature in Maine is too low.

5) In the Galapagos, the medium ground finch, Geospiza fortis, and large ground finch, Geospiza magnirostris, both live on the island Daphne Major. Scientists have studied these species and recorded detailed information, which includes observations about their diets and beak sizes.

After a long period of drought, there were very few seeds available for both species to eat, and many of the finches died. The scientists who studied these birds observed that the average size of G. fortis beaks decreased dramatically during the years after the drought, whereas the average size of G. magnirostris beaks increased. G. fortis became specialized in eating very small seeds, whereas G. magnirostris specialized in eating larger seeds with tougher shells.

 

When two species, like the finches of Daphne Major, live in close proximity and compete for limited resources, which evolutionary response would the scientists likely observe?

A)character displacement

B)stabilizing selection in both species

C)sympatric speciation

D)increased predation

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