A nonliving factor in an ecosystem; light, water, and so on are important
What is abiotic factor
100
A living organism that eats other organisms for its food needs
What is consumer
100
The food relationships among various organisms in an ecosystem
What is food web
100
the process by which make food in their chloroplasts from sunlight, water, and carbon dioxide
What is photosynthesis
100
Which of the following is not involved in the nitrogen cycle
What is volcanoes
200
A factor in an ecosystem that is living; plants and animals are this
What is biotic factor
200
A living organism that breaks down dead organisms into smaller parts that can be reused by other living organisms
What is decomposer
200
An animal that eats plants
What is herbivore
200
a group of the same species that come together to live on one area
What is population
200
Which of the following is not required for a plant to begin photosynthesis
What is sugar
300
The process by which the element carbon moves through earths system
What is carbon cycle
300
The process by which dead organisms break down into smaller parts that can be reused by living organisms
What is decomposition
300
the process of a lake gradually filling up with sediments
What is lake succession
300
a plant
What is producer
300
Great horned owls and prairie falcons eat field mice that live an the grass seeds. Which of the following explains the relationship between these species.
What is there are two predators, one producer
400
an animal that eats other animals
What is carnivore
400
The study of natural environment systems
What is ecology
400
The process by which the element nitrogen moves through the earth system
What is nitrogen cycle
400
the chemical process by which an organism gets its energy from food
What is respiration
400
Which of the following is an example of an abiotic factor affecting a biotic factor
What is runoff carries nitrogen compounds into a lake, causing algae to grow
500
all of the species living in a particular area
What is community
500
All of the living and nonliving things in a given region existing and interacting
What is ecosystem
500
An animal that eats both plants and other animals
What is omnivore
500
which of the following would most likely happen if the wolves were to disappear from this food web
What is the raccoon population would increase
500
which of the following orders the organisms from producer to highest-level consumer