Energy Transfer
What is the main source of energy in a food chain?
Sun
What is rainwater that flows over Earth's surface called?
What is runoff
What process allows water to evaporate from the leaves of a plant?
transpiration
What do we call organisms that eat other organisms for energy?
consumers
What natural system includes the atmosphere, hydrosphere, and biosphere?
Earth's major systems
What cycle explains the circulation of gases released by living things?
the Oxygen-Carbon cycle
How do producers affect an entire ecosystem?
Every organism relies on them for energy as they produce food using sunlight.
How do plants use sunlight, water, and carbon dioxide?
make their own food and release oxygen
What is the correct order of the water cycle stages starting from a lake?
Energy from the sun causes the water to evaporate, water vapor cools and condenses to form clouds, droplets combine, and large droplets fall
What model shows how food chains are connected?
food web
What cycle is continuous circulation between soil, organisms, and air?
the water cycle
How do animals obtain nitrogen from the soil?
by eating plants that have absorbed nitrogen
What do the arrows in a food chain model represent?
the transfer of energy and matter
How do animals complete the oxygen-carbon cycle?
by taking in oxygen and releasing carbon dioxide
What cycle explains the circulation of gases released by living things?
the Oxygen-Carbon cycle