Susan makes a claim that humans do not evolve because we adapt to situations by changing our technology, not ourselves. which piece of evidence contradicts this idea? humans have been tool users for a long time. other primates use tools. the size of our brains has increased since we became tools users. our technology is always increasing.

What the theory that the sun goes around earth was replaced with the theory that earth goes around the sun this was an exaple of a

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 of the following must be true for a fossil organism to be useful as an index fossil? a. the fossil organism must be widespread geographically. b. the fossil organism must be abundant. c. the fossil organism must be limited to a short span of geologic time. d. all of the above.