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Questions in biology

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

[Done] 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.

[Done] 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

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

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

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

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

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

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

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