Fossils are dated by measuring what element?

During ecological succession, how does the growth of young hardwoods affect the organisms living in an ecosystem?

The great hornbill and the toucan both eat the same fruit, insects, and nuts. They both live in the rainforest. Their large bills function to get food and also as warning coloration.

What is the purpose of the proper handling of experimental subjects? a. to ensure that the experiment belongs to biology and not to physics b. to ensure that the hypothesis is shown to be correct c.

What is endosymiosis

What does scientific mean?

How did organisms adapt/survive hurricane sandy?

What is a narrow valley found between steep rocky cliffs that was formed by a down cutting stream or river

Which orgonelle is responsible for garbage disposal and recycling in an animal cell?

If a red cow (homozygous dominant) is crossed with a white cow (homozygous dominant), what alleles will the offspring have

Compare and contrast a cell membrane and cell wall