Body mass index (BMI) is an indirect measurement of ____
a. caloric intake
b. energy utilization
c. basal metabolic weight
d. age
e. body fat
ANSWER: e
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Male Australian bowerbirds build and decorate elaborate structures, called bowers, out of grasses and other vegetation. If we want to understand how this behavior promotes a male bowerbird's ability to survive and reproduce, we want to understand its:
A. causation. B. development. C. adaptive function. D. evolutionary history. E. genetic basis.
What are leaves specialized to do?
a. provide structural support b. intercept sunlight for photosynthesis c. absorb water d. absorb minerals e. distribute water and minerals
Anatomical homology in vertebrate forelimbs is considered to be evidence for evolution because:
a) similarities among vertebrate forelimbs suggest that they have evolved convergently. b) differences among vertebrate forelimbs suggest that they evolved independently. c) the anatomy of the vertebrate forelimb is not currently under natural selection. d) similarities among vertebrate forelimbs suggest that they evolved from a common ancestor. e) all vertibrate skeletons have forelimbs
The pronghorn antelope of the United States and the saiga antelope of the central Asian steppes live in similar habitats and have similar adaptations. Which of the following features would you be surprised to find in a saiga antelope?
A) camouflaging coloration B) teeth adapted to grinding tough forage C) a warmly insulating winter coat D) a digestive tract without cellulose-digesting bacteria