Which of the following represents the true evolutionary history of a taxon?
A. monophyletic groups
B. paraphyletic groups
C. polyphyletic groups
D. derived groups
E. All of the of the answer options are correct.
A
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What gives structure to a sponge?
a. Asconoids b. Spicules c. Pinacocytes d. Choanocytes
The realized niche for the green anole was determined by:
a. a limiting resource. b. competition. c. symbiosis. d. coevolution. e. disease
Classification. Respond to the following statements with reference to the types of connective tissue listed below.
A. fibrous protein that allows tissues to stretch, then spring back to their original shape B. C. This tissue plays a particularly important role in the thermoregulation of many marine mammals. D. matrix of collagen fibers and rubbery, compression-resistant proteoglycan E. This substance is derived from stem cells in bone. F. This tissue provides nourishment to each of the other connective tissues.
What was the primary reason for Tibbetts and Izzo to manipulate not only the facial pattern but also the fighting behavior of the wasps they studied?
The results of their experiment are shown below. The fighting behavior was altered by the application of hormone that increased the wasps' aggressiveness. a. to test whether hormone could artificially alter the fighting qualities of wasps b. to test whether the alteration of facial patterns strengthens the fighting ability of wasps c. to test whether the alteration of facial patterns would result in increased aggression d. to test whether the facial pattern is a conventional signal that is kept honest by continuous testing from conspecifics