Ecosystem Basics
The living and nonliving things in an area make up what?
What is an ecosystem?
The main source of energy for almost all life on Earth.
What is the Sun?
A hot, dry biome with very little rain.
What is a desert?
he gas people and animals breathe in to survive.
What is oxygen?
Cutting down large areas of trees is called ____.
What is deforestation?
A living thing in an ecosystem, like a plant or animal.
What is a biotic factor?
Organisms that eat only plants.
What are herbivores/primary consumers?
The biome with trees that lose their leaves in the fall.
What is a forest (deciduous forest)?
The process when water turns into vapor and rises into the air.
What is evaporation?
When a species completely disappears forever.
What is extinction?
An organism that makes its own food using sunlight.
What is a producer/autotroph?
An organism that makes its own food, like a plant.
What is a producer?
A cold, treeless biome with frozen ground.
What is the tundra?
Animals get energy by eating food and using this process.
What is respiration?
Trash and chemicals in the air, land, or water cause ____.
What is pollution?
The place where an organism lives is called its ____.
What is a habitat?
What percent of energy is passed from one trophic level to the next?
What is 10%?
The biome near the equator with the most plants and animals.
What is the rainforest?
The cycle that moves water through evaporation, condensation, and precipitation.
What is the water cycle?
When too many nutrients cause algae to grow too fast in lakes or ponds.
What is an algae bloom (or eutrophication)?
The “job” or role an organism has in its ecosystem.
What is a niche?
Why are there fewer predators than plants in an ecosystem?
Because energy is lost at each step of the food chain.
The largest biome on Earth, covering most of the planet.
What is the ocean?
The cycle that moves carbon between plants, animals, and the air.
What is the carbon cycle?
One way humans can help protect the Earth.
Answer:
What is (reduce pollution, recycle, protect habitats, plant trees, etc.)?