A theory that states that only the organism with traits that are useful to the environment survive. For example, short-neck giraffes would’ve died out years ago as they can’t reach the trees nor eat grass on the ground.
Answer:
shape
Explanation:
gases and liquids have very spread out particles and contain no particular shape. instead, they take the shape of whatever contains them. on the other side, a solid has a particular shape as the molecules are close together.
Answer: Put the answer in your own words.
The defining characteristic of prokaryotes is that they lack a membrane-enclosed nucleus. The single chromosome, usually circular, is tightly wound and compact. The region of the cytoplasm containing the chromosome is called the nucleoid.
A proposed explanation for a natural phenomenon is a hypothesis.
The hypothesis can also be known as an educated opinion.
