What produces most of the earth oxygen

Definition of tela phase

What is a non vascular plant or a seedless plant

Which is an example of biodiversity contributing to the sustainability of an ecosystem? A. A meadow covers a large area of land, providing shelter to many organisms. B. The ocean can only support organisms that can survive in salty conditions. C.

Propose another example of a character in humans that seems to be partly affected by heredity and partly affected by environment. Explain your reasoning

Which term defines a well-tested, scientifically supported statement that explains how something works? hypothesis law observation theory

Which factors affect a rivers load

Which sentence best captures a central idea of the biography

Is a fossil still a fossil if it is preserved artificially? For example, (Is a mummy a fossil even though it was preserved by people?)

Which type of macromolecule is the quickest source of energy for the body

Which two structures contain DNA