Biology, 30.11.2020 17:40 nayelidlc2
Cephalization is (a) the division of the trunk into a scolex, neck, and body. (b) the presence of a head with sense organs. (c) sexual reproduction involving self-fertilization. (d) the ability to replace lost body parts. 2. Flatworms (a) are radially symmetrical. (b) possess a body cavity. (c) reproduce by parthenogenesis. (d) have tissues derived
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Biology, 21.06.2019 17:20
Groups of organisms with low biotic potential, such as gray whales, that produce at most one offspring every other year a) are r-selected b) are k-selected c) are not subject to density-dependent limiting factors d) show the initial stages of the extinction process e) have escaped from the processes of natural selection and adaptation
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Biology, 22.06.2019 00:30
What was the land like over 500 million years ago? what was under the sea?
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Biology, 22.06.2019 10:50
What is it called when part of a cell membrane closes around a molecule to allow the molecule to enter the cell? a. passive transport b.diffusion c. endocytosis d. exocytosisc. endocytosis
Answers: 2
Cephalization is (a) the division of the trunk into a scolex, neck, and body. (b) the presence of a...
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