A scientist noticed that the number of salamanders in ponds in the Rocky Mountains was declining. This was a (n)

a. hypothesis.

c. observation.

b. theory.

d. control.

genetics disorders can result when sister chromatids fail to seperate properly. during which phase is this problem most likely to occur

The period of growth in between cell divisions is called

if your fish in four ponds, will more fish be caught in the two ponds with the lowest oxygen concentrations, or the two ponds with the highest oxygen concentrations?

Let the for a white squash be represented by W and that for yellow by w. What kind of gametes as to fruit color will be produced by plants of the genotype. WW, Ww, and ww

What is the function of a circulatory system? it brings a transport liquid into close contact with all cells in the body. it is the site of blood cell production. it acts as a reservoir for the storage of blood.

What are the three-letter "words"of mRNA

What are the major reservoirs of the carbon cycle

Which of the following would be the least reliable source of information

Which statement accurately explain wat kind of mixture salt nd chocolate would be

What is DNA and how can we check our DNA