Bony fishes possess two features not found in other fish. Select the best choice from those listed below to complete the following sentence. Bony fishes have
A. swim bladders and movable jaws.
B. swim bladders and a closed circulatory system.
C. swim bladders and a complete digestive system.
D. swim bladders and gill covers called opercula.
Answer: D
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a. compound eye b. single-lens eye c. ocellus d. ommatidia e. photoreceptor
If cowbird eggs are laid in an oropendola nest in the open woodlands of Central America, what would be the expected
outcome?
a. The cowbird eggs would be ejected from the nest to eliminate the competition. b. The cowbird eggs would be ejected from the nest due to a reaction of the mother bird's immune system. c. The cowbird eggs would not be ejected from the nest because they provide an additional food source. d. The cowbird eggs would not be ejected from the nest because they provide protection from large predators. e. The cowbird eggs would not be ejected from the nest because they provide protection from parasites.
The ____________________ is used to package and ship components to other organelles and out of the cytoplasm
Fill in the blank(s) with the appropriate word(s).
Which of the blood vessels in the human cardiovascular system contain deoxygenated blood?
A) A only B) A and C C) C only D) B, D, and E E) D and E