Bøger i Discover Biology serien

"Living and nonliving things all interact in an ecosystem. Fish swim and breathe in water. Trees take root in soil. Ecosystems looks at the important roles of living and nonliving things in an ecosystem."--

Living things have different traits. These traits are caused by the genes living things get from their parents. Genetics looks at how genes influence traits and how to find out how likely it is to get a trait.