Vocab
Term for all the genes present in a population
Gene Pool
He wrote On the Origin of Species
Charles Darwin
Percentage of energy passed between trophic levels
10%
a summary of everything an organism does
Niche
The nucleus of an atom houses these two parts
Protons and Neutrons
The disappearance of a species from Earth
Extinction
Process by which traits useful for survival and reproduction are passed on more frequently than those that are no
Natural Selection
Rely on other organisms for energy and nutrients
Consumers
The standard unit of mass in the metric system
gram
Glucose + Oxygen --> Carbon dioxide + water + ATP
Cellular Respiration
The ability to do work
Energy
how reproductively successful an organism is in its environment
Fitness
States that energy is not created nor destroyed
1st Law of Thermodynamics
In an experiment, this is the factor that a scientist changes and is recorded on the X axis on a graph
independent variable
mixture with a uniform composition/appearance throughout, where individual parts are not easily distinguishable Ex: brewed coffee
Homogenous mixture
A linear series of a feeding relationships
Food Chain
An example would be breeding dogs in such a way so that desirable traits are produced
Artificial Selection
Removal of this can significantly alter the structure of a community
Keystone Species
the type of relationship where one variable increases while the other decreases.
indirect relationship
This is the name of a phase change where water changes from the solid state to the liquid state
Melting
A relationship where one species benefits but the other is unaffected
Commensalism
The name of the Scientist working with Darwin on concepts of evolution
Alfred Russell Wallace
Ex: Excessive logging has caused too many trees to be removed from a forest. in about 50 years the forest is back.
Secondary Succession
These exist in a fixed amount and take millions to billions of years to form
Ex: fossil fuel energy
Non-renewable resources
A measure of how crowded an area is
Population density