Little Billy is terrified! He just heard a noise in his room, and he is sure that this means there are monsters coming to get him. Which part of Billy's nervous system will prepare him for fight or flight?

A researcher changes the DNA in a soybean plant so that it produces offspring with a resistance to weed killer. Which best describes this scenario? genetic engineering gene therapy cloning selective breeding

Which monomer serves as the building block of glycogen, a polymer made up of many glucose molecules?

What contracts to pump blood out of the heart? the veins the atria the arteries the ventricles

Vapor lock is a condition of aviation gasoline that can occur i a recip engine fuel system in which fuel in the line is eating enough to cause it to vaporize forming

Give example of two different species might complete for same prey

redwoods are the tallest species of tree in the world. explain how transpiration causes water to travel from the roots to the branches of a tree this size.

During photosynthesis, chloroplasts use light energy to convert carbon dioxide and water into sugar and oxygen. Which term best classifies the energy stored in the products of photosynthesis?

What did Chargaff discover while studying bases in the DNA of organisms? The bases in the DNA of each organism were unique. The ratios of thymine and adenine were similar, as were the ratios of guanine and cytosine.

What is one way a plane can form?

Where does diffusion take place