Ecosystem Basics
Living things in an ecosystem are called this.
What are biotic factors?
Organisms that make their own food.
What are producers?
A very dry biome with little rainfall.
What is a desert?
Cutting down forests.
What is deforestation?
Main source of energy for ecosystems.
What is the sun?
Nonliving parts like water, sunlight, and soil are called this.
What are abiotic factors?
Animals that eat plants.
What are herbivores?
A cold biome with permafrost.
What is the tundra?
Pollution that harms oceans and rivers.
What is water pollution?
The process plants use to make food.
What is photosynthesis?
A group of the same species living in one area.
What is a population?
Animals that eat both plants and animals.
What are omnivores?
The biome with the most biodiversity.
What is the tropical rainforest?
When animals lose their homes.
What is habitat loss?
The first level of a food chain.
What are producers?
Multiple populations living together.
What is a community?
A diagram showing multiple food chains connected.
What is a food web?
A biome with grass and few trees (like the Great Plains).
What is a grassland?
Warming of Earth due to greenhouse gases.
What is climate change?
Only about this percent of energy moves to the next level.
What is 10%?
The role an organism plays in its environment.
What is a niche?
Organisms that break down dead material.
What are decomposers?
A forest with four seasons and shedding leaves.
What is a deciduous forest?
Species that are at risk of disappearing forever.
What are endangered species?
The pyramid showing energy loss between levels.
What is an energy pyramid?