During the spring, you are studying the mice that live in a field near your home. There are lots of mice in this field, but you realize that you rarely observe any reproductive females. This most likely indicates
A) that there is selective predation on female mice.
B) that female mice die before reproducing.
C) that this habitat is a good place for mice to reproduce.
D) that you are observing immigrant mice.
E) that the breeding season is over
Ans: D) that you are observing immigrant mice.
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The following question refers to the Punnett square below. Which letter represents a homozygotic dominant progeny?
A. A B. B C. C D. D Blooms Level:
A habitat
a. has a specific set of resources. b. is a place where a population lives. c. has a unique set of challenges. d. can vary a little or a lot. e. fits all of these descriptions.
The accompanying figure shows what happens in insect populations when crops are sprayed with insecticides. This is an example of ___
A. founder effect B. genetic drift C. gene flow D. natural selection
Which of the following is NOT a functionally analogous pair?
A) nucleus -nucleiod region B) mitochondria - prokaryotic plasma membrane C) chloroplasts - thylakoids D) cilia - pili E) 9+2 flagella - bacterial flagella