The respiratory epithelium of human lungs maximizes gas exchange by having

What is a chemical compound

Which types of organisms are most vulnerable to overfishing, and why? A. Small fish that live a short time and reproduce quickly, since their population numbers are always highest. B.

When true-breeding tall plants are crossed with hybrid tall plants, the offspring are a. all tall plants b. all short plants c. some tall and some short plants d. not enough information has been given to answer this question

Which list contains only abiotic factors A. A water temp, amount of sunlight, and soil type B. Density of predators, water depth, and types of parasites C. Participation amount, number of prey species, and plant types D.

Maximum sustainable yield management is often used to manage fisheries. Which of these statements describes an advantage of MSY management with respect to fishing? A. MSY management fails to account for the ages of fish when they are caught. B.

A plant root is an example of blank

What is the term for the number of taxa in a community, and what kind of diversity is this called?

What causes the bacteria to die in an extremely salty environment?

If you stopped eating what would be the first, second, and third organic compound your body would use for energy

Which of the following objects does not decompose 1. styrofoam 2. plastic water bottle 3. lumber 4. milk carton