Unit 1
What is science?
The study of how the natural world functions.
What is an organ system?
Interacting groups of organs.
What is hereditary?
The passing of traits from parent to offspring.
What makes a fossil?
Any lasting mark or impression that an organism has caused in the environment.
What are Behavioral Adaptions?
Behaviors or activities performed by an organism that increases its fitness.
What is an assumption?
An understanding that is accepted as true.
What is the cell membrane?
A thin outer covering that surrounds the body of a cell.
What are Punnett squares?
A diagram used to show possible genotypes that can result from a cross.
When did Darwin's voyage begin?
1831
What is homeostasis?
A balanced and stable environment within cells and organisms.
What is a system?
Groups of related parts that work together and can be studied as a unit.
What are Prokaryotes?
Single-celled organisms that don't contain a nucleus or any other membrane-bound organelles.
What is heterozygous?
An organism with a genotype composed of two different alleles.
What were the 4 major eras according to the geological time scale?
Precambrian, Paleozoic, Mesozoic, and Cenozoic.
What is Commensalism?
A symbiotic relationship in which one organism benefits and the other is not affected.