8th Grade Science Spring Final Review

variations present in living organisms that aided in their survival

• Amino Acids

• Adaptations

• Analogous structures

• Cytokinesis

the structural units that make up proteins

• Amino Acids

• Genotype

• Analogous structures

• Cytokinesis

used for the same purpose but are not due to a common ancestor

• Asexual Reproduction

• Genotype

• Analogous structures

• Cytokinesis

a type of reproduction that does not involve the fusion of gametes or change in the number of chromosomes

• Asexual Reproduction

• Genotype

• Analogous structures

• Sexual Reproduction

having very different characteristics, because humans selectively bred organisms for traits

• Asexual Reproduction

• Genotype

• Artificial Selection

• Cytokinesis

most common are Adenine and Thymine or Cytosine and Guanine

• Base Pairs

• Genotype

• Behavior

• Chromosome

The way an organism reacts to changes in its internal condition or external environment.

• Base Pairs

• Genotype

• Behavior

• Chromosome

The two alleles of a gene Aa, BB, dd

• Base Pairs

• Genotype

• Behavior

• Chromosome

A distinguishing quality, trait or feature of an individual, or thing

• Characteristic

• Crossing over

• Courtship

• Chromosome

threadlike structure of nucleic acids and protein found in the nucleus of most living cells, carrying genetic information in the form of genes

• Characteristic

• Crossing over

• Courtship

• Chromosome