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>
There are four phyla or categories of fish, Hagfish, lampreys, cartilaginous and bonyfish.
I’m almost 100% sure it’s D, because environmental factors can induce a mutation. A mutation can be beneficial but it can also be harmful, so it’s neither B or C, and it can’t be A, because mutations can come from natural selection as well. So it’s D.
Soil pH affects nutrients available for plant growth. In highly acidic soil, aluminum and manganese can become more available and more toxic to plant while calcium, phosphorus, and magnesium are less available to the plant. In highly alkaline soil, phosphorus and most micronutrients become less available.
The answer your looking for is true I believe