Since the endangered species act of 1973 was passed, about 575 species of animals and 750 species of plants and lichens have been placed on the list of threatened or endangered species.
Single gene traits<span>: controlled by a </span>single gene<span> that has two alleles (ex: widow's peak) – only two phenotypes are possible – widow's peak or no widow's peak.</span>Polygenic traits<span>: controlled by two or more </span>genes. Has 2 or more alleles. One polygenic trait<span> can have many possible genotypes and phenotypes! </span>
Strands of tough connective tissue connect the skeletal muscles to bones. These strands of tissue are called tendons. When a muscle that connects two bones gets shorter, the bones are pulled closer to each other. (I got this answer from google sorry if it doesn’t help your problem)
the answer is choice B think me later