Steven wants to build an ornamental fish pond in his garden. the expert at the garden center said he must get an air pump to ensure that the water is oxygenated. what is the correct term for a body of water that is devoid of oxygen? a. hypoxic b. acerbic c. anoxic d. aerobic e. eutrophic

Homo heidelbergensis was a tall, muscular hunter, who used both tools and weapons. because h. heidelbergensis was not a gatherer/forager, but ate a varied diet including meat and fish, we would expect to see what anatomical changes?

Which environmental change would most likely result in bullfrog offspring that are able to store more water than bullfrogs in previous generations?

How does the fossil record provide evidence that the modern whale evolved from the anthracotheres? a) the modern whale looks like their ancestor the anthracotheres. b) the modern whale has all of the same structures as their ancestor. c) there is not enough evidence to suggest the the modern whale evolved from the anthracotheres. d) the anthracotheres has a structure that is still present in the modern whale, but is no longer of use to the modern whale.