Well, to answer your first question, Because there are places on Earth that are both biologically rich — and deeply threatened. For our own sake, we must work to protect them. and for your 2nd question, 3 characteristics of magnetic reversal are: field, bar magnet, and molten material. Hope this helps
The answer to this question would be: False
The symbiotic between plant and fungus is called lichen. In this case, the Mycorrhizae having a mutualism symbiotic with algae as they are giving benefit to each other. The Mycorrhizae will give water and inorganic compound and the algae will give food. The answer is false because the algae are not parasitic to the fungi.
Answer: A Solar Energy (The Sun)
Skin maintains homeostasis by regulating your body temperature. <span />