Organisms that rely on other living things for food are called

Temperate rainforests are always located near the equator

Put the steps of enzyme activity in order from first to last using the drop down menu beside each step. The chemical reaction occurs. A substrate enters the active site of enzyme. New substances called "products" are formed.

What are. Some of nicolaus copernicuses achievments

The fatal La Conchita landslide, discussed in this week's video, started moving like a landslide or slump, but then it began to flow more fluidly downslope.

Which change occurred during the Renaissance? Islamic mathematicians developed algebra. Scholars revived an interest in classical ideas. Scientists used the astrolabe to map the stars. Greeks made early contributions to geometry.

A teacher taps on a hardboiled egg until cracks appear on the surface. She gently presses the egg between her fingers and thumb. The students observe some changes in the egg shell, a few of which are presented in the table.

Which human body systems interact to control oxygen and carbon dioxide levels in the blood?

What is the period during the cardiac cycle when the ventricles are completely closed and blood volume in them remains constant as the ventricles contract?

Forest elephants in Africa have been confirmed as a different species from the larger savanna elephant seen here. Scientists believe the savanna elephant is as different from the forest elephant as Asian elephants are from woolly mammoths.

What competitive processes or forces are ever-present during a star's lifetime?