Answer:
It's 3!
Explanation:
There must be genetic differences so the best fitted organisms will survive. If they were all the same then no one would be best fitted and Natural Selection wouldn't be able to occur
It's not 1 because a food shortage isn't required, there's always competition for food sources
It's not 2 because there doesn't need to be a change in the environment for natural selection, just for evolution.
And it can't be 4 if 1 and 2 are wrong!
Hope this helped!
Answer:
0%
Explanation:
All corn plants will have the genotype YySs
radiative energy is energy in light. Sunlight carries this form of energy, as do other forms of light including X-rays and radio waves.
In the nervous system a synapse is a structure that permits a neuron or nerve cell to pass an electrical or chemical signal to another neuron or to the target effector cell