Which trait is the best example of an adaptation?
A) A mutation resulting in a heat-resistant enzyme in a bacterium living in a hot spring
B) A mutation resulting in weak branches in a species of tree that lives in windy regions
C) A new mutation that confers Tay-Sachs disease in humans
D) A shorter neck in a giraffe that lives in an area with many rival males and tall trees
E) A longer tongue in an insect-eating mammal that feeds on insects that live in shallow burrows
A
You might also like to view...
If a male cat with orange fur produces female offspring with calico fur, what color was the mother cat?
A. orange B. black C. calico D. black or calico E. orange or calico
What salt-tolerant woody plants have prop roots that help the plant stay upright in soft sediments?
a. wetlands b. tide pools c. cordgrass d. mangroves
e. tidal flatsWhich of the following is an organism that
possesses chaetae and nephridia and exhibits coordinated movements of circular and longitudinal muscle? a. millipede b. tapeworm c. polychaete d. hookworm e. flatworm
The theory of segregation
a. concerns alleles governing two different traits. b. applies only to linked genes. c. applies only to sex-linked genes. d. explains the behavior of a pair of alleles during meiosis. e. none of these.