Answer:
Abiotic factors refer to non-living physical and chemical elements in the ecosystem. ... Examples of abiotic factors are water, air, soil, sunlight, and minerals. Biotic factors are living or once-living organisms in the ecosystem. These are obtained from the biosphere and are capable of reproduction.
The life cycle of a parasite occurs in various forms in all living hosts. The parasites must infect more
<span>than one hosts to complete their life cycle. So it is very important to know how many hosts have these parasites taken over, because then they will know how much longer the parasite will survive and how to treat it. </span>
Answer:
In the nucleus of each cell, the DNA molecule is packaged into thread-like structures called chromosomes. Each chromosome is made up of DNA tightly coiled many times around proteins called histones that support its structure.
Explanation:
Answer:
Pasteur disproved the theory of spontaneous generation through his tests.
Explanation:
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Faciliated diffusion.
Both facilitated diffusion and simple diffusion do not require ATP; however, simple diffusion does not use transport proteins. Facilitated diffusion uses transport proteins which are carrier and channel