Vocabulary
The nonliving parts of an ecosystem, such as temperature and rainfall
What is abiotic?
A region characterized by climate, soil, plants, and animals.
What is a biome?
A resource or condition that restricts population growth.
What is a limiting factor?
An organism that makes its own food through photosynthesis.
What is a producer?
Wolves reduced populations of this overgrazing animal.
What are elk or deer?
All the organisms of the same species living in an area
What is a population?
A biome found in water, such as oceans, lakes, or rivers.
What is an aquatic biome?
When a population grows too large for its environment, it goes above this.
What is carrying capacity?
An organism that eats producers.
What is a primary consumer?
When elk populations decreased, this type of organism, including willows and aspens, was able to regrow.
What are plants or trees?
The maximum number of individuals an environment can support.
What is carrying capacity?
The terrestrial biome with the lowest rainfall.
What is the desert?
A limiting factor that depends on population size, like disease.
What is density-dependent?
An organism that eats primary consumers.
What is a secondary consumer?
Wolves are considered this type of species in Yellowstone.
What is a keystone species?
Rain, snow, sleet, or hail.
What is precipitation?
The biome with the highest biodiversity.
What is the tropical rainforest?
A limiting factor that does not depend on population size, like natural disasters.
What is density-independent?
An organism at the top of the food chain, eating secondary consumers.
What is a tertiary consumer?
Explain one way wolves changed Yellowstone’s rivers.
What is stabilizing riverbanks by allowing vegetation to regrow, reducing erosion, and improving habitats?
The global sum of all ecosystems, where life exists.
What is the biosphere?
Give one example of a terrestrial biome.
What is tundra, desert, grassland, or forest?
Name two limiting factors that affect population size.
What are food, water, space, predators, disease, or natural disasters?
A species that has a disproportionately large impact on its ecosystem.
What is a keystone species?
Wolves are what type of consumer?
What is Tertiary?