Which of the following is the main form of nitrogenous wastes released by mammals to their
environment?
a. nitrate
b. ammonia
c. uric acid
d. amino acids
e. urea
E
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Male deer have large antlers that are used to challenge each other in fights for territory and females. The females of this group actively choose the strongest males. Which type of sexual selection is occurring with the deer population?
A. Stabilizing selection. B. Negative frequency-dependent selection. C. Intersexual selection. D. Intrasexual selection. E. Intersexual and intrasexual selection are both occurring.
All fungi:
a. are decomposers b. perform extracellular digestion c. are parasites d. reproduce sexually e. are multicellular
Which of the following statements about necrosis is true?
a. It requires ATP. b. It does not cause inflammation. c. It may occur when cells are damaged by toxins. d. It produces nucleosome-sized pieces of chromatin. e. It results in fragmentation of the cell.
Archegonia _____
A) are the sites where male gametes are produced B) may contain sporophyte embryos C) have the same function as sporangia D) make asexual reproductive structures