Which of the following typically pollinates red flowers?
A. moths
B. water
C. butterflies
D. hummingbirds
E. bees
Answer: D
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A(n) ________ is able to tolerate dilution in cells and tissues
a. isosmotic b. osmoconformer c. osmoregulator d. psuedofeces
When an F' plasmid acts as the donor in a mating, which of the following do(es) not happen?
A. The plasmid is transferred, including the chromosomal genes now on the plasmid. B. The recipient becomes F'. C. Some chromosomal genes not on the plasmid are transferred. D. All of the choices are correct.
The earliest known flowering plants date to the
A) Cambrian (early Paleozoic era). B) Triassic (early Mesozoic era). C) Cretaceous (late Mesozoic era). D) Tertiary (early Cenozoic era).
Which of the following is not an example of a connective tissue?
(a) bone (b) the layer of photoreceptors in the eye (c) the jellylike interior of an eye (d) cartilage