If two closely related species of woodpeckers coexist on the same tree but at different heights in the canopy, which of the following are possible explanations: A. Competition, competitive exclusion, and resource partitioning B. Each species competed long ago in the past and are adapted to feeding at different heights C. The species are not competing and never did D. All of the above E. None of the above

regulation of gene expression. gene expression can be regulated by various cellular processes with the aim to control the amount and nature of the expressed genes. these regulatory proteins bind to dna and send signals that indirectly control the rate of gene expression

explanation:

who knows

explanation:

the answer is otpion c) understanding

he wants to be heard one more time. he wants to be understood. he needs the truth one more time.

a covalent bond, specfically triple bond