Changes in the dna are called mutations. They can occur spontaneously. Mutations can only be passed down in gametes--sperm and egg cells. with Darwins theory at mind a mutation needs to pass the test of natural selection to remain in the gene pool. So purposly making mutation or altercations may end in diseases/illnesses or in some cases death because they body can not take it.....hope this helps if it doesnt im sorry!
Answer:
momentum
Explanation:
SI units of force and momentum are different.
A. Fungi, the fungus surrounds the algae cells to act as a protective layer
Answer:
An extremophile
Explanation:
An extremophile is an organism that thrives in extreme environments. Extremophiles are organisms that live in "extreme environments," under high pressure and temperature. ... Since they live in “extreme environments” (under high pressure and temperature), they can tell us under which range of conditions life is possible.