The answer is A:<span> Metamorphic rocks</span><span> may display two different grain sizes.</span> :)
Plants on Earth provide food, some even provide shelter to some animals, and plants such as trees provide oxygen to the environment.
Answer:
D
Explanation:
Improve desirable traits and help determine the heritability of a trait.
Answer: different organisms have different chromosome numbers
Explanation: eukaryote cells have more than one chromosome
chromosomes are present in most cells all the time (not in erythrocytes), but cannot be visualised except during telophase of mitosis or meisosis
bacterial cells don’t have a nucleus
The answer is cell membrane
