The answer is <span>Determine why the beetle is eating one tree but not the other.
The botanist should first d</span><span>etermine why the beetle is eating one tree but not the other. By determining that, he will understand what connects beetle to the tree. This will also explain does the tree benefits from this interaction or not.</span>
No, they don't have organs and organ system.
Cells form tissues, Tissues form organs, Organs forms organ system; Unicellular have their own one cell only. So, it can't possible that they have organs or organ system.
This observation supports the theory of continental drift, and supports the theory of supercontinents.
Answer:
A.
Explanation:
It's sugar or glucose and oxygen
Answer:The question is not complete.
The condition are:
Variation of trait.
Differential reproduction.
Traits passed from parent to offspring.
Explanation:
Natural selection is refers to characteristics or traits posses by organisms that will make it to survive and reproduce in it's environment thereby passing those traits to it's offsprings. The theory of natural selection was proposed by Charles Darwin. There are four conditions that allow natural selection to take place and they are; reproduction, variation in characters or trait, heredity and trait passed from parent to offspring.