10 Questions
Which layer of the Earth does the atmosphere surround?
Crust
What is the function of chlorophyll in plants?
To make food using light
What is the primary pathway for water to re-enter the water cycle?
Evaporation
What is the process by which organisms convert chemical energy into ATP?
Cellular respiration
What are fossil fuels?
Nonrenewable fuels formed over millions of years from plant and animal remains
Which of the following is a producer that makes its own food from sources such as light, water, and chemicals in the air?
Autotroph
What is the process by which water changes from a gas to a liquid state?
Condensation
What is the term for the consideration of the biological, geological, and chemical aspects of each cycle?
Biogeochemical
What is the process by which organisms convert chemical energy from oxygen molecules or nutrients into ATP?
Cellular respiration
What is the function of chlorophyll in plants?
Food production
Study Notes
Earth's Structure and Atmosphere
- The atmosphere surrounds the lithosphere, which is the outermost solid layer of the Earth.
Photosynthesis and Plants
- Chlorophyll's function in plants is to absorb light energy, which is used to convert carbon dioxide and water into glucose and oxygen.
- Producers, such as plants and algae, make their own food from sources like light, water, and chemicals in the air through photosynthesis.
Water Cycle
- The primary pathway for water to re-enter the water cycle is through condensation and precipitation.
Energy Conversion
- Cellular respiration is the process by which organisms convert chemical energy from oxygen molecules or nutrients into ATP.
- ATP is generated through the conversion of chemical energy into ATP.
Energy Resources
- Fossil fuels are energy resources formed from the remains of ancient plants and animals.
Phase Changes
- Condensation is the process by which water changes from a gas to a liquid state.
Ecological Perspectives
- Holistic consideration of the biological, geological, and chemical aspects of each cycle is referred to as a systems approach.
Test your knowledge on Earth's atmosphere, autotrophs, biogeochemical cycles, and cellular respiration. Learn about the layer of gases that protects us, the organisms that make their own food, and the processes that recycle essential elements.
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