3%
Part of an organisms body that is no longer needed.
Vestigial structure (whale hip bones, human appendix)
Treatment for bacterial infections
Antibiotics
How do you find the number of electrons?
Electrons = Protons = Atomic Number
These act as a natural filter for water sources. They contain brackish water.
Estuary
This law states that the oldest rocks are at the bottow and the youngest are at the top.
Law of Superposition
The difference between biotic factors and abiotic factors.
Biotic - living
Abiotic - nonliving
Difference between melting butter and browning butter.
Melting butter is a physical change because it is changing the states of matter. Browning butter is a chemical change because it is producing a new substance.
As salinity increase, density ______________
Increases
These help us determine during which specific time of history an organism lived.
Index fossils
Size the population that can be supported by an ecosystem.
Carrying Capacity
How many neutrons does Manganese have?
30 neutrons (55-25)
These types of resources cause an increase in greenhouse gases.
Fossil fuels (I will accept nonrenewable resources)
Theory that Earth has always changed in uniform ways.
Uniformitarianism
The process where carbon dioxide is produced.
What is the most reactive family of the periodic table?
Alkali Metals because they only need to get rid of 1 valence electron.
This allows nutrients from the deeper parts of the ocean come to the top for organisms.
Upwelling
The ability to survive in an environment due to the traits and attributes an organism has.
Natural Selection
How does an infectious disease expand.
Outbreak ---> Epidemic ---> Pandemic
Balance the chemical equation.

Coefficients are 1, 5---> 4, 3