trophic levels
round in circles
more or less
ch-ch-ch-changes
definitions
100
the beginning of a food chain
What is producer
100
repeated movement of water between Earth's surface and the atmosphere
What is water cycle
100
movement of an organism into an area
What is immigration
100
source of most environmental change
What is human activities
100
sum total of genetically based variety of living organisms in the bioshere
What is biodiversity
200
obtains nutrients from dead and decaying organisms
What is decomposers
200
2 or more processes that are part of the carbon cycle in organisms
What is photosynthesis and respiration
200
when birth rate exceeds the death rate
What is population growth
200
energy not stored or used by an organism is lost to the environment as ....
What is heat
200
determined by abiotic factors and characteristic ecological community
What is biome
300
a fish that eats a smaller fish that ate algae
What is carnivore / secondary consumer
300
What happens to students that don't pass biology
What is repeat
300
the movement out of a population
What is emigration
300
2 trophic levels that are most important for the stability of an ecosystem
What is producers and decomposers
300
ecological model of the relationships that form a network of complex interactions among organisms in a community showing the direction of energy flow
What is food web
400
all trophic levels at Earth's surface ultimate energy source
What is the sun
400
nutrients circulating throughout the biosphere
What is (biogeochemical) or nutrient cycles
400
4 factors that determine population changes
What is birth, death, immigration, emigration
400
important since we get natural resources, food and medicine from organisms
What is biodiversity
400
threat to biodiversity done to provide more land for crops, roads or buildings
What is deforestation
500
organism that cannot make its own food
What is a hetertroph
500
essential to all life, but does not 'cycle' in the environment
What is ENERGY
500
Percent needed to get an A in biology
What is 90
500
VHS chemistry teachers
What is Knight, Bande and Rizana
500
plants and other photosynthesisers
What is producer
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