What term is used for a community of plants and animals that live in a particular region?

In the late 1990s, several studies claimed there was a direct link between growing rates of autism and the presence of low doses of mercury used to preserve infant immunizations.

Process by which two simple molecules are joined by the removal of one water molecule

Bacteria perform a specific type of asexual reproduction, which is called

Inheritance of skin color in humans is dependent not only upon the melanin synthesis genes but also upon a number of other genes. What type of inheritance is exhibited in this case?

List one way predator/prey relationships are different from parasitic relationships

Why must cell division be different between asexual reproduction and sexual reproduction? A. Sexual reproduction requires that the amount of DNA in a cell be halved. B.

Which of the following brings amino acids to the ribosome for use in translation? 1. rRNA 2. tRNA 3. mRNA

What is the process which cells in your body become different types of cells?

Which of the following statements shows an example of operant conditioning? A.) A chicken learns that if it pecks on a button, a food pellet will be released into its cage. B.) Pavlov taught a dog to salivate every time it heard a bell. C.

A scientist has several specimens from the same time period from several thousand years ago. Which two specimens should he study so that he can learn about the amount of rainfall at that time and the kinds of plants that grew then?