The membrane-enclosed organelle within a cell that contains the chromosomes.
Nucleus
A term that refers to the two alleles present at a specific locus in the genome.
Genotype
a change or slight difference in a level, amount, or quantity
Variation
relating to or resulting from living things, especially in their ecological relations.
Biotic
he cellular machinery responsible for making proteins.
Ribosome
an observable trait.
Phenotype
the process through which populations of living organisms adapt and change.
Natural selection
a system of interlocking and interdependent food chains.
Food web
membrane-bound cell organelles
Mitochondria
Having different alleles for one or more genes
Heterozygous
species can change over time, that new species come from pre-existing species, and that all species share a common ancestor.
Charles Darwin
Trophic levels
cell organelle that helps process and package proteins and lipid molecules, especially proteins destined to be exported from the cell.
Golgi body
If both alleles are the same
Homozygous
the process of adapting to something
Adaptions
an animal that naturally preys on others.
Predator
support and suspend organelles and cellular molecules.
Cytoplasm
a binding site for charged t-RNA molecules during protein synthesis.
Site
A remnant or trace of an organism of a past geologic age
Fossil
Ominvore