The most likely explanation for this phenomena is that this is a result of natural selection.
What actually happened?
When the insecticide was introduced, it killed all of the organisms that were vulnerable to it. However, there was a portion of the population that was immune. Since the immune individuals were the only ones that have survived and left offspring, after some generations in the population of this organism there were only their descendants that have the resistance to the insecticide.
Answer:
C which would be considered secondary consumers.
Explanation:
They are commonly called carnivores, and examples include lions, snakes, and cats.
I hope this helps
Answer:
75% one eye, 25% two eyes (or 3:1 one eye: two eye)
Explanation:
The cross between the two trolls are shown in the attached punnett square
Ee x Ee gives 3 genotypes: EE, Ee, and ee
at a ratio of :1 EE: 2 Ee: 1 ee
Ee and EE are both one eye genotypes, so the <em>phenotype </em>is 3:1 one eye to two eye.