A group of individuals of the same species occupying a given area defines a(n):
a. community
b. ecosystem
c. population
d. biosphere
e. habitat
c
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Animal communication involves what type of sensory information?
I) visual II) auditory III) olfactory IV) tactile A) only I and III B) only II and IV C) only II, III, and IV D) only I, II, and III E) I, II, III, and IV
Protobionts are thought to be the first nonliving structures that evolved into living cells. A critical characteristic of a protobiont that is found in both modern day prokaryotes and eukaryotes is
A. internal compartments that subdivide metabolic functions. B. a boundary membrane that separates external from internal environments. C. the ability to exclude all organic substances. D. the ability to fuse with any other protobiont for reproduction. E. the ability to recognize other protobionts for developmental purposes.
Tumor suppressor genes are often likened to the gas pedal of a car.
Answer the following statement true (T) or false (F)
Some Creationists argue that while natural selection certainly can and does change the traits of species, 6,000 years is not long enough for it to have generated the diversity of life that we currently see. Biologists __________.
Fill in the blank(s) with the appropriate word(s).