Use of chemical fertilizers
The axis is an imaginary line going through the earth so the way the earth is "tilted" would tell you,for example, if the northern hemisphere is tilting toward the sun, it will be summer in the northern hemisphere.
Answer:
A condition necessary for evolution to occur is that a parent plant produces more offspring than can normally survive. ... A condition necessary for evolution to occur is that the traits of the "fittest" phenotypes that survive are inherited by the successful progeny. The offspring must tend to resemble their parents.
Explanation:
In this situation, the rabbit is the primary consumer because it feeds off the producer (grass) and is eaten by the secondary consumer (snake).