When you increased the predation rate (from 0.0030 to 0.0070), did the maximum size of prey population increase or decrease?
a. It increased.
b. It decreased.
c. It didn't change.
b
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The first tetrapods evolved ____
a. on land b. after the amphibians c. in water d. after the first amniotes e. from the ray-finned fishes
Which substances are the most plentiful biological
molecules in the biosphere? a. carbohydrates b. salts and minerals c. proteins d. fats e. nucleic acids
In humans, spotted teeth are caused by a dominant sex-linked gene. A man with spotted teeth whose father had normal teeth marries a woman with normal teeth. Therefore
a. all of their daughters will have normal teeth. b. all of their daughters will have spotted teeth. c. all of their children will have spotted teeth. d. half of their sons will have spotted teeth. e. all of their sons will have spotted teeth.
Which of these is NOT a common feature of eukaryotic and prokaryotic cells?
A) cytoplasmic organelles such as endoplasmic reticulum and golgi complex B) Genetic information encoded in DNA C) construction of plasma membrane D) mechanisms for transcription and translation