Show:
Definitions I
Definitions II
Definitions III
Definitions IV
Multiple Choice
100
nonliving part of an ecosystem
What is abiotic factor?
100
an organism that eats other organisms
What is a consumer?
100
a diagram that shows organisms in an ecosystem that feed on each other
What is a food web?
100
an organism that eats both plants and animals
What is an omnivore?
100
what is not involved in the nitrogen cycle?
what is volcanoes?
200
Living part of an ecosystem
What is biotic factor?
200
an organism that breaks down the remains of other organisms
What is a decomposer?
200
an organism that eats only plants
What is a herbivore?
200
the process by which plants make their own nutrients
What is photosynthesis?
200
what is not required for a plant to begin photosynthesis?
What is sugar?
300
the process by which carbon moves through Earths ecosystems
What is carbon cycle?
300
the process of an organisms remains being broken down by demcomposers
What is decomposition?
300
a lake gradually fills up with sediment until it is covered
What is lake succession?
300
organisms of the same species living with one another
What is population?
300
what would happen if wolves disappeared from the food web?
What is the raccoon population would increase?
400
An organism who eats only meat
What is a carnivore?
400
the study of the natural environment
What is ecology?
400
cycle on how nitrogen moves throughout Earths ecosystems
What is the nitrogen cycle?
400
organism that makes its own energy
What is producer?
400
what orders organisms from producer to highest level consumer?
What is grass, mouse, hawk, human?
500
All different populations living with each other.
What is a community?
500
a place where different organisms live and interact with one another
What is an ecosystem?
500
a grassland that has been destroyed gradually grows back
What is old field succession?
500
process by which an organism gets it energy from food
What is respiration?
500
what is an example of an abiotic factor affecting a biotic factor?
What is runoff carries nitrogen compounds into a lake causing algae to grow?