B. Abiotic means it's not living.
Answer: Option B.
Geographic separation.
Explanation:
It is geographic separation that is common to both of them because
Sympatric speciation to occur when certain populations of species isolate reproductively from the the main populations because they can not longer interbreed with each other and they inhabit the same geographical location.
Allopatric speciation occur when two populations of the same species separate from each other geographically which can be as a result of one group of population move to another geographical location.
Trench<span>: very deep, elongated cavity bordering a continent or an island arc; it forms when one tectonic plate slides beneath another.
</span>
Ridge<span>: underwater mountain range that criss-crosses the </span>oceans<span> and is formed by rising magma in a zone where two plates are moving apart.</span>
other then the lungs no all of the body parts get oxygen from blood cells
That statement is false
The plants still have to undergo a fierce competition in order to obtain sunlight. The taller trees will obtain more sunlight while overshadowing the smaller one.
Meanwhile , even though there are a lot of food resources in the rain forest, it also have many animals that compete for the same food.
