The of the mollusk surrounds its visceral mass

The picture shows a fishing technique called trawling. how might trawling affect marine biodiversity

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

How do you know that the plant cells in these two images have different jobs, or functions? a. because all plant cells serve different functions b. because they are two different colors c. because their dna are different d. because their structures are different