Which of the following is considered to be an evolutionary adaptation? A-darker skin obtained through sun exposure
B-increased flexibility obtained through repeated stretching
C-larger muscles acquired through rigorous exercise
D-the ability of plants found near iron deposits to grow in soil enriched with iron

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

Which process in respiration happens first? a)pyruvate processing b)electron transport chain c)krebs cycle d)glycolysis

Which of the following forest management practices is best for reestablishing areas of forest?