32. Mammals that reproduce by laying eggs are (A) monotremes. (B) marsupials. (C

Question

32. Mammals that reproduce by laying eggs are (A) monotremes. (B) marsupials. (C) placental mammals. (D) birds 33. Placental mammals differ from marsupials in that (A) marsupials lay eggs. (B) marsupials do not nurse their young (C) marsupials develop mostly outside their mother's body. (D) marsupials live only in Australia. Most male frogs utter specific calls that allow females to locate them. call of each species is different from that of other species, so the frogs are sure to mate with a member of their own species. This is an example of (A) territorial behavior. (B) courtship behavior (C) dominance hierarchy. (D) circadian rhythms. 34. The ma le frog Soldiers who have been exposed to explosions for long periods of time will car backfire. This is an example of (A) habituation. (B) motivation. (C) insight. (D) classical conditioning 35. sometimes flinch or even suffer breakdowns when they hear loud noises such as a

Explanation / Answer

Please find the answers below :

Answer 32: Choice a (monotrems are egg-laying mammals in nature, such as platypus)

Answer 33: Choice C (marsupial represents a specific group of mammals endemic to Australian continent having pouch-bearing mammals)

Answer 34: Choice B (frogs, like mammals, tend to choose their mating partners carefully and stick to them as much as possible, making them reproductively advanced in nature)

Answer 35: Choice D (classical conditioning involves enhanced sensory capabilities of an individual secondary to prolonged exposure to a stimulus)

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