Explain why male lions, after they have entered a new pride of female lions, will often engage in the practice of infanticide
What will be an ideal response?
Male lions often kill offspring that have not yet been weaned from their mothers so that the females will physiologically be receptive to mating, thus improving the entering male's reproductive success.
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In which paleoanthropological site do we find the largest single group of ancient Homo fossils (approximately 30 individuals)?
Lysosomes digest unneeded intracellular debris through the process of __________.
A. endocytosis B. phagocytosis C. autophagy D. pinocytosis E. exocytosis
Genes on the same chromosome are said to show ______________. Fill in the blank(s) with the appropriate word(s)
What is happening during the latent period of a muscle twitch?
A. The muscle relaxes and returns to its former length. B. The neurotransmitter is diffusing across the synaptic cleft, causing an electrical signal in the muscle cell. C. The myosin-actin cross-bridges are broken and the sarcomere shortens. D. ADP and phosphate are released, and the power stroke of the contraction occurs. E. Fresh ATP binds to the myosin, causing it to return to its resting position.