The immune system.
The immune system acts as a defense system of the body. It fights against bacteria, viruses and any other disease causing pathogens. Some chemicals can weaken the immune system and make them vulnerable.
Answer: Incomplete dominance
Explanation: Incomplete dominance is an aspect of go-between inheritance whereby one allele for an outstanding characteristic is not totally represented over its allele appearing in pairs. This brings about about a third set of noticeable characteristics of an individual occurring from the interaction of its genotype with the environment in which the represented physical characteristics like hair type, in this case, is a mixture of the phenotypes of the two alleles.
<span>To form soil, the two processes which must occur are erosion and weathering, so the correct answer here is B. Soil formation is a continuous process, but also one which takes a long time. It can sometimes more than five hundred years for 1cm of soil to form.</span>
Answer: ▶Producer:an organism that produces. (makes) its own food.
▶ Consumer:animals that get their energy by eating plants or other animals.
▶Primary Consumer:Animals that consume only plant matter.
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Explanation: