If original tissues of organisms are buried in the absence of for long periods of time, they can fossilize.

Hedgerows have created a new ecosystem within britain’s a. farms b. cities c. forests d. industrial areas

All individuals have two alleles for a given trait. according to mendel's these alleles are passed down one each from both mother and father.

Select the correct answer from each drop-down menu. in an experiment, dr. travis examined the effects of calcium intake on osteoporosis, a condition that causes an increased risk of bone fractures. the amount of calcium is variable. the risk of bone fractures .