Trep throat is caused by a species of bacteria that has adapted to living and reproducing in the human respiratory system. The relationship between this bacterium and people is known as A) commensalism. B) equilibrium. C) mutualism. D) parasitism.

Of all the water on the earth, only about 3% is fresh water. 68% of all the freshwater is frozen as glaciers and is unavailable for human consumption. We have the technology to desalinate the ocean water to make it drinkable.

What do fungi and arthropods have in common? a. both groups are commonly coenocytic. b. the haploid state is dominant in both groups. c. both groups are predominantly saprobic in nutrition. d. the protective coats of both groups are made of chitin.

Use the drop-down menus to complete the sentences about how neurons distribute information to the body.

Small birds will often mob large predatory birds such as owls and hawks. This behavior involves the smaller birds gathering or flying near the larger bird, calling loudly, and even striking the larger bird, and may result in the larger bird leaving

The DNA of a human cell can be cut and rearranged by using?

How many parents are required for asexual reproduction

A complex of interconnected food chains in an ecosystem is called a/an A. trophic stack. B. food web. C. ecosystem. D. ecological pyramid.

Explain (in your own words) how blood flows through the heart and throughout the body.

What is the fundemental life process that occurs in specialized areas of the organisms cells?

Why is the bottom layer of the ocean the coldest?