A plan needs the sun and Carbon Dioxide
Answer:
Pteridophytes are vascular plants but they do not produce flowers and seeds which mean their source of reproduction is unknown or hidden.
On the contrary, Spermatophytes as the name indicates, are seed bearing plants. They produced seeds and flowers. Examples are flowering plants, cactus, leather flower, buttercup and may more.
Explanation:
Answer:
You didn't give options to choose from so I'll just wing it.
Over-predation will most likely be the cause of the extinction of the butterflies
Explanation:
Since the birds are preying on them, their population will most likely go extinct because of the birds.
<span>Lipids insulate against the cold.
Fat is our natural coat produced by the over eating process. Not really sure, but it comes to mind that the layer under the skin can be the main reason for it as it prevents and keep our inner parts warm. Also the high blood flow that it demands can help by over circulating it.</span>
