describing the quantity of what is observed.
what is the quantitative observation
a thin outer covering that surrounds the body of a cell.
What is a cell membrane
a molecule that reflects only certain colors of light and absorbs the rest
What is pigment
a group of organisms that can breed with each other, and produce fertile offspring
What is a species
behaviors that repeat at regular intervals.
What are behavioral cycles
An explanation to an observation
What is inference
a fluid-like material
What is cytoplasm
found only inside the chloroplasts of plant cells
What is chlorophyll
a relative scale divided by time in geologic history, or a way to organize Earth’s history according to the layers of the earth where information about that time is recorded
What is the geological time scale
anatomical features that increase an organism's fitness
What is physical adaptation
Describing the quality of what is observed
what is qualitative observation
involved in the production of energy for the cells to use
What is mitochondria
discovered that genes are made up of two alleles
Who is Mendel
a method for determining the age of fossils that depends on radioactive decay.
What is absolute dating
maintained when organisms keep a stable environment within their cells and bodies
What is Homeostasis