Types of consumers
This organism eats only plants.
What is a herbivore?
These organisms make their own food using sunlight.
What are producers?
Increases soil erosion by removing large amounts of trees.
What is deforestation?
Limited amounts of these, such as food, water, shelter, and space, cause populations to decrease or stop growing.
What are resources?
This relationship occurs when one animal hunts, kills, and eats another animal for food.
What is predation?
What is a carnivore?
Arrows in a food web represent this.
What is energy transfer?
Using this, such as riding the bus or taking the subway, can reduce air pollution.
What is public transportation?
A decrease in this animal's population will cause the predator population to decrease.
What is prey?
This relationship occurs when two or more organisms attempt to use the same limited resource, such as food.
What is competition?
This organism eats both plants and animals.
What is an omnivore?
These organisms recycle nutrients in an ecosystem by breaking down dead organisms and wastes.
What are decomposers?
Water pollution is increased when these areas where land is covered by water are destroyed.
What are wetlands?
An increase in this animal's population will cause its prey to decrease.
What is predator?
This relationship occurs when one organism lives on or inside another organism and harms it.
What is parasitism?
This organism eats primary consumers.
What is a secondary consumer?
These organisms eat the producers in a food web?
What are primary consumers?
This greenhouse gas is increased due to human activities, such as burning fossil fuels to power cars and factories.
What is carbon dioxide?
If these are removed from the food web, every organism will die.
What are producers?
This relationship occurs when two organisms benefit each other.
What is mutualism?
This organism eats animals that it did not kill, which occurs before decomposition.
What is a scavenger?
These organisms have the smallest population in an ecosystem and eat secondary consumers.
What are tertiary consumers?
These chemicals used to kill insects that eat crops have a negative impact on the environment.
What are pesticides?
Causes loss of habitat by building and growing cities.
What is urbanization?
This relationship occurs when one organism benefits and the other is unaffected.
What is commensalism?