How could you determine if a specimen was a living organism

How does the immune system work with the circulatory system

When your pupil diealtes is it involuntary or is it voluntary

DNA is made up of many smaller molecules called ___. a) chromosomes b) phosphates c) nucleus acids d) nucleotides

Water molecules from Earth's Surface, Water bodies, and Plants enter the U atmosphere to form Clouds Composed Of tiny Water droplets. This Water eventually returns to Earth's Surface through Which Of these Processes

Summarize microevolution and macroevolution and describe the diiferce between the two

A complex of interconnected food chains in an ecosystem is called a/an A. trophic stack. B. food web. C. ecosystem. D. ecological pyramid.

Explain (in your own words) how blood flows through the heart and throughout the body.

What is the fundemental life process that occurs in specialized areas of the organisms cells?

Why is the bottom layer of the ocean the coldest?

Gene S controls the sharpness of spines in a type of cactus. Cactuses with the dominant allele, S, have sharp spines, whereas homozygous recessive ss cactuses have dull spines.