Heyyo! The answer your looking for is A, Sustainable use! Sustainable use means the use of components of biological diversity in a way/rate that does not lead to the long term decline of biological diversity.
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Image result for Where does respiration occur in earthworms Respiration I. Earthworms
In earthworms there is no specialized organ to do respiration. So, in earthworms respiration process takes place through its moist, thin and highly vascular skin. The oxygen gas absorbed by the skin diffuses into the blood and transported to all the cells of the body.
Answer:
Mitosis is the process in which the nucleus of a eukaryotic cell divides. During this process, sister chromatids separate from each other and move to opposite poles of the cell. This happens in four phases, called prophase, metaphase, anaphase, and telophase
TRNA take amino acids to the ribosome.