<span>They are organelle, cells, tissues, organs, organ systems, organisms, populations, communities, ecosystem, and biosphere.</span>
Assume as what happens in a pot of water as it get heats.. hot becomes less dense, rises and cools, becoming more dense then sinks- that's called CONVECTION
So D- is the right answer
A punnet square shows you the different possible combinations and trait outcomes of the alleles.
1.Most aquatic animals have fins or paddles that help them swim
2. Skin is usually slippery and soft