7th Grade Science Vocabulary

The remains of an organism that lived a long time ago. Commonly preserved in sedimentary rock.

• Fossil

• Evidence

• DNA

• Niche

Its complete set of genetic material that can also be used to refer to the alleles or variants an individual carries in a particular gene or genetic location.

• Phenotype

• Marine

• Genotype

• Fossil

Is the changing of the structure of a gene, resulting in a variant form that may be transmitted to subsequent generations, caused by the alteration of single base units in DNA, or the deletion, insertion, or rearrangement of larger sections of genes or chromosomes.

• Variation

• Adaption

• Mutation

• Extinction

Is a biological system consisting of a group of organs that work together to perform one or more functions

• Natural Selection

• Transitional Species

• Organ System

• Mimicry

The close external resemblance of an animal or plant (or part of one) to another animal, plant, or inanimaate object.

• Immitation

• Adaption

• Minicry

• Diffusion

The set of observable characteristics or traits of an organism.

• Theory

• Eukaryote

• Phenotype

• Genotype

The termination of a kind of organism or of a group of kinds, usually a species.

• Fossil

• Theory of Evolution

• Extinction

• Orgin of Species

Is where a species DNA can be passed on to the next generation.

• Phenotype

• Genotype

• Inherited Traits

• Dominant Traits

Is the net movement of anything generally from a region of higher concentration to a region of lower concentration.

• Equilibrum

• Evidence

• Diffusion

• Variation

Is a biological system consisting of a group of organs that work together to perform one or more functions.

• Organ Web

• Recessive Allele

• Organ System

• Ecosystem