Unit 1
What is the explanation for an observation called
Inference
What is a cell
The basic structural unit of all living organisms
What is an allele
Any of several forms of the code for a gene
What is the geologic time scale
A relative scale divided by time in geologic history
What are behavioral adaptations
Behaviors or activities performed by an organism that increase its fitness
what is an observation
Information gathered by using senses
What are mitochondria often called
The power plants of the cell
What is a dominant allele
A phenomenon in which one allele for a gene masks the effects of the other allele
Define fitness
An organism’s ability to pass on its alleles to the next generation
An activity or behavior that occurs naturally in an organism called ______ _______
Innate behavior
What is a graph
A visual representation of data
What is asexual reproduction
The production of offspring from a single parent
a phenomenon in which two identical alleles are needed to affect the phenotype
What year did drawins voyage start
1831
Define physical adaptations
Anatomical features that increase an organism's fitness