<span>One way to repel the insect pests in an apple orchard without using chemical pesticides is by planting marigold near it. Marigold contains a compound known as Pyrethrum. It produces a certain smell that even gardeners doesn't like. Pyrethrum is also one of the components in making insecticides.</span>
Recall that Plasma membranes are phospholipid bilayers, so they would still function correctly.
<span>Human immunodeficiency virus is spread by contact with bodily fluids. While most often transferred through sex or blood, it can not be spread simply by kissing another person unless you have a cut in your mouth.</span>
Answer:
Made mostly of collagen, bone is living, growing tissue. Collagen is a protein that provides a soft framework, and calcium phosphate is a mineral that adds strength and hardens the framework. This combination of collagen and calcium makes bone strong and flexible enough to withstand stress.
Explanation:
Answer:
Retractable claws
Explanation:
It evolved the latest meaning few species have it.