When building a nest, a female Fisher's lovebird cuts long strips of vegetation and carries them to the nest site one at a time in her beak. The female peach-faced lovebird cuts short strips and carries them to the nest tucked under her back feathers
Hybrid female offspring cut intermediate-sized strips and attempt to tuck them under back feathers before carrying them in their beak. What does this demonstrate about behavior?
A) Behavior can be learned from parents.
B) There is a genetic basis to behavior.
C) Environment is important in forming behaviors.
D) Lovebirds can be trained easily.
Answer: B
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Why would all protozoa be expected to require large amounts of water in their habitats?
A. They require water to avoid dehydration and death. Without being in water, they would quickly dehydrate (due to their small size) and die. B. They require water to help them during photosynthesis by providing an electron source. C. They require water to move around in to seek food particles. Without water, they would be unable to move at all. D. All of the above are correct.
Nitrification is the process of ____
a. converting nitrogen gas to ammonia b. converting nitrogen gas to nitrate c. converting ammonium to nitrate d. converting nitrate to ammonia e. converting nitrate to nitrogen gas
Purines and pyrimidines are two classes of organic bases found in ____
a. sugars b. phosphates c. fats d. carbohydrates e. nucleic acids
The skeleton nicknamed Lucy is a representative of which hominin?
a. Homo habilis b. Homo erectus c. Ardipithecus ramidus d. Australopithecus africanus e. Australopithecus afarensis