1	Population		_____	Matter and energy leaving the system
2	Community		_____	Terrestrial(land), Freshwater( Mix of saltwater and freshwater), and Ocean (Saltwater).
3	Biome		_____	Regulates body temp internally like mammals
4	Evolution		_____	Process by which organisms that are most suited to their environment survive and reproduce most successfully.
5	Biosphere		_____	Decrease in oxygen levels
6	Natural Selection		_____	One of the most important factors of an ecosystem and covers 70% of earth's surface; essential for all life including the water cycle.
7	Selective Breeding		_____	Chemical and geologic factors needed for organisms survival
8	Commensalism		_____	The environmental factor that is of predominant importance in restricting the size of a population
9	Mutualism		_____	One species benefits and the other is unharmed.
10	Parasitism		_____	More than one organism of the same species living in the same area
11	System		_____	Missing phrase2 - 32
12	Ecosystem		_____	Plants and animals suited for certain temp ranges
13	Three major types of ecosystem:		_____	Method of breeding where humans allow only organism with desired characteristics to produce the next generation.
14	Inputs in a ecosystem		_____	Change body temp based on surroundings like amphibians and reptiles.
15	Outputs in a ecosystem		_____	Both species benefit
16	Feedback		_____	Nonliving factors in the environment
17	Abiotic		_____	Putting all the biomes together to consist of all life on earth
18	Water as a factor (In a ecosystem)		_____	A group of interrelated items that interact with one another and collectively with the outside world; resulting in something that is greater than the sum of its individual parts
19	Temperature as a factor (In a ecosystem)		_____	Consists of many populations, by not abiotic factors(nonliving) parts of the environment
20	Ecotherms		_____	Living factors(or once lived factors) in the environment
21	Endotherms		_____	Conditions in one part of the system influence what happens elsewhere in the system
22	Sunlight as a factor (In a ecosystem)		_____	Different regions on the earth where organisms can live together.
23	Soil and nutrients as a factor (In a ecosystem)		_____	Biotic and Abiotic factors working together
24	Eutrophication		_____	Any change in the inheritable traits within a population across generations
25	Biotic		_____	Matter energy entering the systems
26	Population Density		_____	Availability is crucial to organisms, drives photosynthesis, affects skin and sight of organisms. Many insects and birds use UV light to distinguish types of plants.
27	Limiting Factors		_____	One species benefits and the other is harmed or dies
28	Species		_____	The number of people living in each unit of area (such as a square mile)