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Questions in biology

[Homework Help] How do humans use their genes to produce more than 22,000 proteins?

[Homework Help] Animals that can control the direction they move in all have A. a home in the ocean. B. development as a deuterostome. C. muscles. D. radial symmetry.

[Homework Help] Red-eyed tree frogs: A. are green and do photosynthesis, so they do not need to eat or drink. B. are not frogs because frogs never have red eyes. C. live in banana trees. D. none of the above

[Homework Help] Fungi are ________ like ________. a. autotrophs, plants b. autotrophs, animals c. heterotrophs, animals d. heterotrophs, plants

[Homework Help] Define the term "tissue" as used in this passage.

[Homework Help] A major reason that humans have negatively affected the environment in the past is that they _______.

[Homework Help] How many bones does the human skeleton consist of? A. 203 B. 206 C. 216 D. 235

[Homework Help] A protective, waterproofing structure consisting of several cuticle layers is the __________. a. endoskeleton b. exoskeleton c. labium d. ocelli

[Homework Help] Exposure to UV light stimulates the skin to produce which vitamin? a. A b. B c. C d. D

[Homework Help] Why was the evolution of amphibians notable? What did they pioneer?