Unit 1
information gathered by using the senses
what is an observation?
the theory that describes cells and how they operate
What is the cell theory?
These coils are formed by the long ladder of DNA molecules
What are chromosomes?
a group of organisms that can breed with each other, and produce fertile offspring
What is a species?
These are behaviors or activities performed by an organism that increases its fitness.
What are behavioral adaptations?
this part of the scientific method includes discussing what is being tested, the predicted outcome, and a possible explanation
what is the hypothesis?
Yeast and a bacterium are examples of this type of organism
What is a unicellular organism?
a diagram used to show possible genotypes that can result from a cross between two parents
What is a Punnett square?
The idea of overproduction was first put together by this scientist, in the late 1700s
Who is Robert Malthus?
Most plants that reproduce sexually have these.
What are flowers?
a system that allows both energy and matter to enter or leave
what is an open system?
cell division that results in two daughter cells with identical numbers of chromosomes
What is mitosis?
This is where the heterozygote ends up with a new phenotype not seen in either parent
What is incomplete dominance?
This is a model of the evolutionary relationships among organisms.
What is a phylogenetic tree?
This is a balanced and stable environment within cells and organisms
What is homeostasis?