Energy flow
Energy flow II
Energy Flow III
Succession
Community Interactions
100
animals that eat other animals
What is a carnivore?
100
Animals that eat both plants and animals
What is an omnivore?
100
DAILY DOUBLE process by which plants make their own food
What is photosynthesis?
100
occurs when there is no soil present
What is primary succession?
100
a full range of physical and biological conditions in which an organism lives in the way in which the organism uses these conditions DAILY DOUBLE
What is a niche?
200
organisms that use chemical energy to produce cabohydrates DAILY DOUBLE
What is chemosynthesis?
200
DAILY DOUBLE ten percent
What is the amount of energy available that is transferred from one level to another?
200
organisms that feed on plant and animal remains
What are detrivores?
200
first species to populate an area
What is a pioneer species?
200
both species benefit
What is mutualism?
300
another name for autotrophs
What is a producer?
300
each step in a food web or chain
What is the trophic level?
300
organisms that rely on other organisms for food
What are heterotrophs?
300
disturbance of some kind that does not remove soil DAILY DOUBLE
What is secondary succession?
300
one member benefits and the other is neither helped nor harmed
What is commensalism?
400
diagram that shows the relative amounts of energy or matter in each level in a food chain or web
What is an ecological pyramid?
400
plants, some algae use energy to produce their own food
What are autotrophs?
400
main source for life on Earth
What is sunlight?
400
series of predictable changes that occurs ina community over time
What is ecological succession?
400
one organism lives on or inside another organism and harms it
What is parasitism?
500
series of steps in which organisms transfer energy
What is a food chain?
500
plant eaters
What are herbivores?
500
total amount of living tissue in a given trophic level DAILY DOUBLE
What is biomass?
500
'Old growth" forests are considered to be ___ communities.
What is a climax community?
500
an interaction in which an organism captures and feeds on another organism
What is predation?
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