In a normal heart, when the right ventricle contracts, it forces blood through the

Which term best describes a community in which people mostly grow crops?

How is a digestive system like a "disassembly line", or an assembly line that acts to take apart a product instead of manufacturing it?

Which of the following best supports the concept that genetic information is passed on to offspring from both of their parents, not just one? A. Two parents with brown eyes may have a child with brown eyes. B.

Identify what Jean-Baptiste Lamarck believed about traits such as large muscles that are acquired during one's lifetime.

Which was not a result of the 1898 discovery of the four blood types

Which vessels allows for oxygen movement into the tissues

What is the difference between a physical and a chemical change

What is described by binary fission? A) The way prokaryotes move. B) The way prokaryotes produce energy. C) The way prokaryotes reproduce. D) The way prokaryotes digest nutrients.

There are many different ecological and environmental conservation methods. Which is not a conservation method? A) water harvesting B) fishing seasons and limits C) limiting of clear cutting of forests D) wind and wave erosion on coastal areas

Explain when and how dire wolves became extinct.