Which of these can be used to see how climate has changed over time? A. ice cores B. tree rings C. both of these

An energy-rich organic compound needed by organisms is (1) water (2) salt (3) oxygen (4) glucose

Individual cells can be isolated from a mature plant grown with special mixtures of growth hormones to produce a number of genetically identical plants. this process is known as

The complete set of genetic information an organism carries in its dna is its

It's a yes or no question! In a large population, approximately 65 percent are tasters and 35 percent are nontasters. Does the class compare favorably to the general population? yes no

A judgment formed, based on the data gathered in an experiment is an?

In a plants stem the vascular tissue is A. is always arranged in rings of vascular bundles B. is continuous from the roots to thel leaves C. carriers nutrients up the stem but not down D. plays a role in photosynthesis and storage.

During which stage of sex cell formation does the number of chromosomes decrease from diploid (2n) to haploid (n) ? a. prophase 1 b. prophase 2 c anaphase 1 d. anaphase 2

What would most likely interest an environmental scientist

Do you believe you have a personal responsibility to protect the environment

What happens to the total charge of the compound after the ions bond together?