Which of the following terms means a statement that describes how natural

events happen?

A. Hypothesis

B Theory

C. Observation

D. Scientific law

The phase of mitosis during which sister chromatids move to opposite ends of the cell is

Swine are vulnerable to infection by bird flu virus and human flu virus, which can both be present in an individual pig at the same time.

Photosynthesis is crucial to life on earth in another way besides as the main food supply. What else does photosynthesis continually supply?

Which of these arguments would be made by a supporter of manned space exploration? A. There are few dangers to people in space. B. Manned missions satisfy the human desire to explore. C. Instruments take up more room on a spaceship than people. D.

If waif wastewater-containing phosphates from laundry detergents made its way into waterways, such as streams and rivers how would that affect the water cycle?

Suppose a population of rabbits is introduced to an environment that has hot summers and extremely cold winters. Every winter, many rabbits die because of the cold and the lack of food. The rabbits have a range of ear sizes.

True or false: when individuals of a parent species are separated geographically, one population of separated individuals is more likely to acquire neutral mutations than the other.

What society needs were addressed by science in the ancient world?

Should the FDA should give Aquabounty permission to grow and sell transgenic salmon? Why or why not?

How do the number of chromosomes in a female scorpion's egg cells (gametes) compare with the number in her body (somatic) cells?