The process where a vesicle is used to bring materials into the cell

a complex arrangement of interrelated food chains illustrating the flow of energy between interdependent organisms

egg or sperm cell

Organelle composed of folded membranes and sacs, responsible for production, processing and transportation of materials

protein / biological catalyst

type of organism composed of one or more cells containing a membrane bound nucleus, specialized organelles in the cytoplasm, and a mitotic nuclear division cycle

a decrease in genetic variation caused by the formation of a new population by a small number or individuals from a larger population

a change in allele frequency of a population as a result of a chance events rather than natural selection

a physical characteristic in different organisms that is similar because it was inherited from a common ancestor

an idea based on evidence, observation, and/or known information applied to a situation or phenomena

a polymer with a high molecular mass: carbohydrates, lipids, proteins and nucleic acids

any factor that limits the size of a populaiton

process where DNA makes an exact copy of itself

a chemical reaction in which chemical bonds in polymers are broken through the addition of water; breaking apart into monomers

a pattern in offspring in which two alleles are not dominant or recessive and in the heterozygous offspring a mix is seen