-- Perihelion . . . Point in Earth's orbit where we're closest to the sun.
We get there sometime during the first few days of January.
-- Aphelion . . . Point in Earth's orbit where we're farthest from the sun.
We get there sometime during the first few days of July.
-- Perigee . . . Point in the orbit of the Moon or any artificial satellite
where it's closest to the Earth.
-- Apogee . . . Point in the orbit of the Moon or any artificial satellite
where it's farthest from the Earth.
The correct statement is this one: Molecules move from areas of high concentration to areas of low concentration.
This is true also for diffusion outside of organisms, for example diffusion of gases in a room.
The other options are false.
<span />
Answer:
Immune
Explanation:
Im 90% sure its immune system
Answer:
Crossing Over. Crossing over, or recombination, is the exchange of chromosome segments between nonsister chromatids in meiosis. Crossing over creates new combinations of genes in the gametes that are not found in either parent, contributing to genetic diversity.
Usually it is 25% for energy pyramids