key+terms+and+definitions

Match the following key terms ...
 * Breed
 * Environmental factor
 * Environmental variation
 * Variety

.... to the correct definitions
 * Something in the surroundings that can cause variation.
 * A group of plants with characteristics that make them look different to other plants of that species.
 * Characteristics caused by something in the surroundings.
 * A group of animals with characteristics that make them look different to other animals of that species.

Now write down the correct combination in your exercise book.