The chromosomes and genes in your feet differ greatly from those in your eyes because they are parts of separate organs.

What type of cell contains DNA enclosed in a nucleus?

What will happen when tendons is removed

How is it possible that species continued to go extinct in the months that followed the asteroid impact?

Explain how solid garbage in landfills can result in air pollution.

What elements make up molecules of sugar? A) carbon, hydrogen, oxygen, and nitrogen B) carbon, oxygen, and nitrogen C) carbon, hydrogen, and oxygen D) carbon and hydrogen

Select all the correct answers. Nathan is an ecologist. He's studying the effect of secondary consumers on primary consumers. His current research focuses on a population of blue jays and crows. They eat caterpillars and mice.

Animal feces would be classified as which type of water pollutant?

In which phase does crossing over occur

Which organelles of a cell possess their own DNA?

Gregor Mendel crossed homozygous tall parts (TT) with homozygous short plants tt what conclusion did Mendel draw?