What is the circulatory system's function? : )
a. it removes cellular waste from the blood and converts it to urine.
b. it exchanges carbon dioxide and oxygen in the lungs.
c. it transports oxygen and nutrients to cells while removing carbon dioxide and other wastes
d. it breaks down food into usable parts.

In 1992, hurricane andrew left a wake of destruction through florida. one victim of the storm was a reptile-breeding facility. over 900 burmese pythons were set free, and today thousands of pythons live in florida. these pythons are an invasive species, or a harmful species not native to the region. 1. what impacts do you think the burmese pythons might have on local ecosystems

What are the pros and cons of transect sampling?

If a checkpoint detects damaged dna, the checkpoint may