nucleic acids. certain proteins. cell membranes. certain carbohydrates.
Answer:
C. A fossil is any trace of prehistoric life
Explanation:
None of the other answer choices are reasonable enough to be true. I hope this can help you!
Like animals, plants must maintain an internal balance, or homeostasis.
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The tissues found within the vein if I must say are xylem and phloem. Glad I can help.
Answer:
Newer layers of earth form <u>on</u><u> </u><u>top</u> of older layers, so as we dig, we can see further back in time. Comparing the fossils between the layers can offer evidence of change.
<u>Phyletic</u><u> </u><u>gradualism</u> - slow, but constant gradual change; supported by transitional species in the fossil record
<u>Punctuated</u><u> </u><u>equilibrium</u>- long periods of no change followed by short periods of rapid change. Can also be supported by the fossil record when no transitional species are found.
