Environment & Resources
Everything that surrounds and affects living and nonliving things.
What is the environment?
A way to measure how much land and resources a person or population uses.
What is an ecological footprint?
Anything that has mass and takes up space.
What is matter?
Large biological molecules essential for life.
What are macromolecules?
All land, rocks, soil, and solid Earth components.
What is the geosphere? Lithosphere?
The scientific study of organisms and how they interact with the environment.
What is environmental science?
Population growth that occurs very quickly over a short time.
What is rapid human population growth?
The smallest unit of matter that still keeps the properties of an element.
What is an atom?
This macromolecule is the main short-term energy source for cells.
What are carbohydrates?
All water on Earth — liquid, solid, and gas.
What is the hydrosphere?
The movement or actions focused on protecting the environment.
What is environmentalism?
Using more resources than the environment can replace leads to this increase in impact.
What is an increased ecological footprint?
A pure substance made of only one type of atom.
What is an element?
This macromolecule is used for long-term energy storage and insulation.
What are lipids?
The layer of gases surrounding Earth.
What is the atmosphere?
A resource such as wind or sunlight.
What is a renewable resource?
These substances result from photosynthesis:
oxygen + glucose
What are the products?
Two or more atoms chemically bonded together.
What is a molecule?
This macromolecule builds body structures and functions as enzymes.
What are proteins?
All life forms living on Earth.
What is the biosphere?
A resource like coal or oil.
What is a nonrenewable resource?
Organisms that make their own food.
What are producers?
A substance made of two or more different elements chemically combined.
What is a compound?
This macromolecule stores and transmits genetic information.
What are nucleic acids?
These substances are used in photosynthesis:
CO₂ + H₂O + sunlight
What are the reactants?