Unit 1
What types of bias can negatively affect science?
Selective Sampling, reporting, and industry sponsorship
What is a cell?
Structural unit of all living things
What is a gene?
Part of DNA that affects trait.
What is absolute dating?
What is behavioral adaptation?
A behavioral adaptation is a behavior or activity performed by an organism that increases its fitness.
What is a hypothesis?
A testable statement that states what is being tested.
What is the function of the nucleus?
The control center of the cell
Genotype composed of two identical alleles.
What influence did Erasmus have on Darwin?
Darwin had ideas about organisms changing over time
What is physical adaptations?
A physical adaptation is a modification that is made to an organism’s physical structure. These types of adaptations increase an organism’s fitness.
A set of morals or values.
What did Chagraff discover about DNA?
The chemical make up of DNA
What is a pigment?
A pigment is a molecule that reflects only certain colors of light and absorbs the rest.
How does natural selection work?
What is a symbiotic relationship?
A symbiotic relationship is a relationship between different organisms that live together in a community or ecosystem.