Unit 1
What are radiation sensors used for?
To determine presence and strength of radiation
What is the cell?
The basic structural unit of all living organisms
What is the passing of traits from parent to offspring called?
heredity
What was the land on earth called during Paleozoic times
Pangaea
What is physical adaption?
physical traits that enhance the survival and reproduction of an organism
What is a quantitative observation?
A quantitative observation describes a quantity related to what is being observed quantitative observations often involve counting or measurement
What is thescientific theory that describes cells and how they operate called?
cell theory
What is a genotype?
An organism’s genetic makeup as determined by its alleles
What were the first things to colonize the earth during the Paleozoic era
mosses and ferns
What are some things an animal's body regulates? (homeostasis)
Temperature, Sugar levels in blood, The amount of acid in blood
What is a qualitative observation?
A qualitative observation describes a quality of what is being observed qualitative observations often involve descriptions describing the presence of clouds in the sky
What is photosynthesis?
A process in which energy from sunlight is used to make sugars out of carbon dioxide from the atmosphere and water
What was Gregor Mendels most important experiment
two types of pea plants tall pea plants and short pea plants mendel made these two types of pea plants sexually reproduce.
What is natural selection?
A process in which organisms with a greater fitness survive and produce more offspring
What is symbiosis?
A relationship between different organisms that live together in a community or ecosystem.