Classify the interaction between worms and lima bean plants: competition predation mutualism commensalism parasitism

The following image is of a diatom. it lives in water and gets food from photosynthesis. it is encased in a hard shell made of something similar to glass or sand . a diatom is a(n) because it has a) multi-celled organism; specialized parts. b) vertebrate; a skeleton. c) insect; an exoskeleton. d) single-called organism; only one cell.

Explain how sequences of amino acids in proteins can be used to reveal relationships among organisms.

Dna replication or repair occurs in a cell in all of thw following situations except when