Energy Transfer
What do plants need to survive, that allows them to produce their own food?
sunlight
What process do plants use to make their own food?
photosynthesis
The cells of organisms, including humans and other animals produce what gas?
carbon dioxide
Any behavior that causes something to affect something else is called what?
interaction
What is the imaginary line the Earth rotates around called?
axis
All of the food energy that passes between organisms comes from the what?
sun
Plants make their own food, therefore they are called ________________.
producers
A ____________ is like a circle, it has no beginning and no end.
cycle
What is the definition of an ecosystem?
A community made up of living and nonliving things interacting with each other.
Why does earth experience different seasons?
Due to the rotation of the earth and the tilt of the earth's axis.
The movement of food energy from one organism to another is called a ________________.
What is the process in which plants grow without soil called?
hydroponics
Approximately what percent of Earth's surface is covered in ocean water?
71%
What are 3 examples of nonliving things that support an ecosystem?
air, temperature, water, wind, sunlight, rocks, and soil
How many months does it take for Venus to complete a rotation?
8 months
What gas do plants release into the air?
oxygen (O2)
What are some examples of phytoremediation?
sunflowers, pigweed, mustard plants, Alpine pennycress
Whenever water is heated by the sun what process occurs?
evaporation
When living things rely on other living things and nonliving things what is this called?
interdependence
How long does it take Jupiter to spin one complete rotation?
10 hours
78% of the air we breathe is what gas? hint- oxygen is only 21%.
Nitrogen
What is the formula for photosynthesis?
CO2 + H2O + Sun = O2 + Sugar (glucose)
Name the 6 main parts of the water cycle.
evaporation/transpiration, condensation, precipitation, runoff, infiltration, groundwater
What are the three components of living things in an ecosystem? (hint - animals that eat plants)
herbivores, carnivores, omnivores
True or False - Every place on earth experiences the same amount of sunlight, just at different times.
False