So abiotic means nonliving, so the only abiotic option is B. the gravel on the bottom of the aquarium.
Answer:
skin it protects from germs
1) George Herbert Mead suggested the self develops was composed by a three stages: The preparatory stage,
play stage, and game stage.
The Preparatory Stage starts at the time we are born and ends when we are about two years old.
The Play Stage goes from age two to six.
The Game Stage, the last stage, is from about age seven on wards.
2)
The Preparatory Stage: children mimic those around them. This is why it's better for parents to not use foul language around them. They don't know the meaning of those words or actions..
In the
play stage, children play pretend and do not stick to the rules in
organized games. While they play the game they invent the rules.
In the game stage, they can understand and stick to
the rules of games an begin to understand other people's perspective.
The correct answer of the given question above would be the r<span>egulation of the cell cycle at internal checkpoints. The regulation of the cell cycle at internal checkpoints is the criteria that you can use to assess the developmental potential of a cell. </span>
