Answer:
a. salivary amylase
Explanation:
salivary amylase breaks down starches (complex carbohydrates) into sugars for the body to absorb more efficiently.
Answer:
Natural selection and selective breeding can both cause changes in animals and plants. The difference between the two is that natural selection happens naturally, but selective breeding only occurs when humans intervene. For this reason selective breeding is sometimes called artificial selection.
Explanation:
Explanation:
A point mutation or substitution is a genetic mutation where a single nucleotide base is changed, inserted or deleted from a DNA or RNA sequence of an organism's genome.
It’s important because it helps maintain the soil especially if the soil has low organic matter.
