Definitions
Definitions
Definitions
Definitions
NJASK Practice
100
What is the definition of abiotic factor?
A non-living factor in an ecosystem light, water and so on are important abiotic factors.
100
What is the definition of consumer?
An organism that gets its nutrients and energy from other organisms.
100
What is the definition of food web?
The food relationships among various organisms in an ecosystem.
100
What is the definition of omnivore?
An animal that eats both plants and other animals.
100
What is not required for a plant to begin photosynthesis?
Sugar.
200
What is the definition of biotic factor?
A factor in an ecosystem that is living; plants and animals are biotic factors.
200
What is the definition of decomposer?
A living organism that breaks down dead organisms into smaller parts that can be reused by other living organisms.
200
What is the definition of herbivore?
An animal that eats plants.
200
What is the definition of photosynthesis?
The process by which plants make food in their chloroplasts from sunlight, water, and carbon dioxide.
200
What is not involved with the nitrogen cycle?
Volcanoes.
300
What is the definition of carbon cycle?
The process by which the element carbon moves through the Earth's system.
300
What is the definition of decomposition?
The process by which dead organisms break into smaller parts that can be reused by other living organisms.
300
What is the definition of lake succession?
The process of of a lake gradually filling up with sediments.
300
What is the definition of population?
A group of the same species that come together to live in one area.
300
Great horned owls and prairie falcons eat field mice that live on grass seeds. Ho would you describe this relationship?
There are two predators, one herbivore, and one producer.
400
What is the definition of carnivore?
An animal that eats other animals.
400
What is the definition of ecology?
The study of natural environment systems.
400
What is the definition of nitrogen cycle?
The process by which the element nitrogen moves through the Earth system.
400
What is the definition of producer?
A plant; producers use the energy from the sun to make their own food.
400
What orders the organisms from producer to highest level consumer?
grass->mouse->hawk->humans
500
What is the definition of community?
All of the living species in a particular area.
500
What is the definition of ecosystem?
All of the living and nonliving things in a given region existing and interacting.
500
What is the definition of old-field succession?
The process of a grassland gradually giving way to trees.
500
What is the definition of respiration?
The chemical process by which an organism gets its energy from food.
500
What is an example of an abiotic factor affecting a biotic factor?
Runoff carries nitrogen into a lake causing algae to grow.
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