DNA
Living things found in an ecosystem, such as squirrels, grass, and birds.
What are biotic factors?
The physical characteristics of an organism, such as tall, brown hair, blue eyes.
What is the phenotype?
When a dairy farmer chooses to breed the cows that give the most milk in the heard, the farmer is following the principle of _________________.
Artificial selection
This type of RNA carries the message from the nucleus to the ribosomes.
What is mRNA?
The sugar found in DNA.
Deoxyribose
All the genes in a population.
What is a gene pool?
The mother is heterozygous for a "widow's peak." The father is homozygous recessive for a "widow's peak." If widow's peak is dominant, what is the probability their child will have a widow's peak?
50%
The forelimb bones of a whale, cat, bat and human are known as this evidence of evolution.
What are homologous structures?
The 3 letters that code for an amino acid.
What is a codon?
What is the carrying capacity?
A picture of an organism's chromosomes used to identify chromosomal abnormalities.
What is a karyotype?
Members of a species with advantageous traits are able to survive and reproduce.
What is natural selection?
The start codon.
What is met?
Occurs when a group within a species separates from other members of its species and develops its own unique characteristics.
What is speciation?
A red flower (RR) is crossed with a white flower (WW). The resulting flower is pink. What is the name for this type of inheritance?
Incomplete dominance
Traits that allow a species to survive and reproduce in a certain environment.
What are adaptations?
The process in which mRNA is transcribed from DNA.
What is transcription?
A mutation in which one base is substituted for another.
What is a point mutation or substitution?
A species that does not naturally occur in an area, such as Asian carp and kudzu.
What are invasive species?
A black chicken (BB) mates with a white chicken (WW). The offspring has black and white spots. What is this type of inheritance called?
Codominance
Structures that look similar but are not. They are used for the same purpose in different species, like the shape of a shark and a penguin or the wings of a butterfly and bird.
What are analogous structures?
The process in which proteins are made at the ribosome from the message delivered by mRNA.
What is translation?