A nematocyst is a type of stinging cell
____________________ Indicate whether the statement is true or false.
F, cnidocyte
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Mitochondria and chloroplasts have their own DNA but use the ribosomes of the host cell
Indicate whether the statement is true or false.
The malleus, incus, and stapes are all part of the:
A. inner ear. B. middle ear. C. outer ear. D. cochlea.
The Pilobolus fungus aims at __________ and releases its spores
a. a cow b. a dung pile c. a grassy field d. sunlight
Starting from the wild mustard Brassica oleracea, breeders have created the strains known as Brussels sprouts, broccoli, kale, and cabbage. Therefore, which of the following statements is correct?
A) In this wild mustard, there is enough heritable variation to permit these different varieties. B) Heritable variation is low in wild mustard—otherwise this wild strain would have different characteristics. C) Natural selection is rare in wild populations of wild mustard. D) In wild mustard, most of the variation is due to differences in soil or other aspects of the environment.