Earthworms live in many grass and forest ecosystems, and they aerate the soil as they burrow. They also may mix soil layers as they ingest organic matter and travel between layers
These traits, taken collectively, make up the ________ of the earthworm.
A) niche
B) community profile
C) physical home
D) resource partition profile
E) ecosystem profile
A
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Which of the following characteristics of protein degradation in eukaryotic cells is not true of protein degradation in bacterial cells?
A. Proteins with an Arg residue at their N-termini have short half-lives. B. Proteins are degraded by a large, barrel-shaped protease. C. Proteolysis is ATP dependent in regulated protein degradation. D. Protein degradation is directed by the covalent attachment of ubiquitin.
A botanist examines two plants. Plant A has large colorful petals; plant B has extremely tiny white flowers. Which one is most likely animal pollinated?
A. Plant A B. Plant B Clarify Question What is the key concept addressed by the question? What type of thinking is required? Gather Content What do you already know about animal-pollinated plants? What other information is related to the question? Choose Answer Given what you now know, what information is most likely to produce the correct answer? Reflect on Process Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
In its normal location in plant cells, tonoplast intrinsic protein apparently directly allows
a. water flow only into the chloroplast. b. water flow into the cell across the cell wall. c. water flow out of the cell across the cell wall. d. water flow both into and out of the vacuole. e. water flow only out of the chloroplast.
Water surface tension is caused by ____________________ bonds
Fill in the blank(s) with the appropriate word(s).