Which of the following statements is true of
foraminiferans?
a. Most foraminiferans live on the sea floor.
b. Foraminiferans are single-celled predators.
c. The planktonic foraminiferans often have
photosynthetic protists living in their
cytoplasm.
d. Foraminiferans secrete a shell containing
calcium carbonate.
e. All of these are true of foraminiferans.
E
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Which of the following is true about the general transcription factors in eukaryotic transcription?
Nondisjunction
(a) results in gametes with abnormal chromosome numbers. (b) occurs at anaphase. (c) results when homologues fail to separate properly in meiosis. (d) is all of the above.
Which of the following is a characteristic of flowering plants?
A. They produce seeds. B. They are called angiosperms. C. They develop flowers. D. They have leaves, roots, and stems. E. All of the choices are true.
If a habitat is where you live, a niche is
A. what you do there. B. where you sleep. C. the same thing. D. None of these answers is true.