What condition occurs when hemoglobin is deprived of oxygen?

The kind of fertilization found in the majority of aquatic animals is (internal or external) fertilization.

Elephants in the savanna regions of africa dig holes in dried up river beds to reach water lying just below the surface. these holes provide drinking water for other animals as well. so, without the elephants, many animals might otherwise die from lack of water during the dry season. the location in which the elephants live is an example of a/n and the role they play in creating water holes is an example of a a) ecosystem; habitat b) community; niche c) habitat; niche d) niche; habitat

When proteins are being produced by a cell, scientist say that the genes are question 2 options: activated turned off replicated deactivated