Answer: directional selection
Explanation: Directional selection occurs when one end of the bell curve has a better fit than the other end. The end that has preferable traits in relation to the environment won't always be the same. The environment can change, and then the opposite end of the bell curve might become preferable.
Answer:
7: The earth's spin axis is tilted with respect to its orbital plane. This is what causes the seasons. When the earth's axis points towards the sun
8: Earth without a tilt would be stratified into climate bands that would get progressively colder as you moved away from the equator.
Explanation:
Interneurons, they transmit impulses between other neurons, especially as part of a reflex arc
If you're talking about the experiment; conclusion.
but if you're referring to the fungi; bacteria.