<h2>Competitive exclusion principle.</h2>
Explanation:
The fundamental and realized niches of B. balanoides are identical, but the fundamental and realized niches of C. stellatus are different.
All the possible combination of resources and condition under which a species can grow, survive and reproduce is called its fundamental niche. Whereas, the more limited set of resources and condition under which a species can grow, survive and reproduce in the presence of competitors and predators is termed as its realized niche.
Competitive exclusion principle states that if two competing species coexist in a stable, homogeneous environment, then they do so as a result of differentiation in their realized niche.
<em>B. balanoides</em> can use a wider range of resources than<em> C. stellatus </em>because its fundamental and realized niches are identical . Hence thrives to exclude C.stellatus.
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A) Cellular respiration. Source: I'm a Biology teacher. ;)
1) Cells duplicate their chromosomes before dividing instead of after because the daughter cells would each lose one-half of the genetic information.
The duplication of chromosomes automatically leads to the duplication of the genetic information on the chromosomes and each daughter cell receives a copy each of the genetic information.
If the information are not duplicated before dividing, it means that each daughter cell will receive half information.
2) If a cell that starts with 16 chromosomes lost half of its genes during each cell division, it will take 4 divisions for the gene to remain 1.
- First division, the genes would remain 8 from 16
- Second division, the genes would remain 4
- Third division, the genes would remain 2
- Fourth division, the gene would remain only 1.
More on cell division can be found here: brainly.com/question/24276929
