Limiting factors are what controls the population of an ecosystem. It also limits the kind of organisms that inhabit it. Limiting factors can be abiotic or biotic. Abiotic factors are the nonliving factors that affect the living ones. From the given options above, the only biotic limiting factor is vegetation. The correct answer would be option B.
I know the first two for the fill in:
1. I believe it's energy
2. Diaphragm
Multiple choice:
1. I believe it's 3, trachea
2. I think it's 3, respiration
There's quite a lot of questions, but I hope this helps :)
1. B 2. C 3.A 4. A molecule is when two or more atoms join together. An element makes up the atoms that form molecules. 5. Similarities include both are cells and each cell are surrounded by cell membranes. 6.A fish is an organism and a rock is not because fish contain the characteristics needed for life, while a rock does not.
I believe the correct response would be C. Plants acquire carbohydrates by producing them through the process of photosynthesis. This allows plants to then use the formed carbohydrates to build structural polymers, such as cellulose.
