Spheres
This sphere includes all living organisms on Earth.
What is the biosphere?
An organism that makes its own food using sunlight.
What is a producer?
A group of the same species living in one area.
What is a population?
The main source of energy for most ecosystems.
What is the sun?
The mass removal of trees in a forest.
What is deforestation?
This sphere includes all water on Earth (liquid, solid, gas).
What is the hydrosphere?
An animal that eats only plants.
What is a herbivore?
Groups of populations living together in one area
What is a community?
Energy sources that can be replaced naturally in a short amount of time.
What is renewable energy?
The introduction of harmful substances into the environment.
What is pollution?
This sphere is made up of rocks, soil, and landforms.
What is the geosphere?
This level is at the very bottom of a food chain.
What is a primary producer?
When a population reaches the maximum it can support.
What is carrying capacity?
This renewable energy source uses sunlight to generate electricity.
The increase in Earth’s average temperature due to greenhouse gases.
What is global warming/climate change?
This sphere contains gases surrounding Earth.
What is the atmosphere?
What is an apex predator?
Factors like food, water, and space that limit population growth.
What are limiting factors?
This nonrenewable energy source includes coal, oil, and natural gas.
Using resources in a way that does not use them all for future generations.
What is sustainability?
This process moves water between spheres.
What is the water cycle?
The level of the food chain that eats secondary consumers.
All the abiotic and biotic things of an area
What is an ecosystem?
An increase in these gases from burning fossil fuels leads to global warming.
Greenhouse Gases
The practice of protecting animals and their habitats to prevent extinction.