a trait that makes it more likely that an individual will survive in a specific environment

the number of individuals with each trait in a population

a group of individuals born and living at about the same time

a trait that makes it less likely that an individual will survive in a specific environment

an animal that is hunted or killed by another animal for food

a related organism from a previous generation

a type of molecule that genes and chromosomes are made of

a graph that uses bars to show how characteristics or values are distributed within a group

an organism produced as a result of reproduction

a type of large molecule that performs important functions inside organisms

a way of hiding by looking the same as the background

everything (living and nonliving) that surrounds an organism

to receive genes from a parent

living things, such as plants, animals, and bacteria

to stay alive

a long piece of DNA that contains many genes

having died out completely and no longer alive anywhere on Earth

a random change to a gene that sometimes results in a new trait

a group of the same type of organism living in the same area

a specific characteristic of an individual organism

changes in climate over a long period of time that can be caused by natural events or human activities

an instruction for making a protein molecule

the process by which the distribution of traits in a population changes over many generations

an animal that hunts and kills other animals for food

any difference in traits between individual organisms