Earth Environments and Systems Flashcards
What is a SYSTEM?
set of parts that work together as one unit/mechanism
What are 4 SUBSYSTEMS of the Earth?
atmosphere, lithosphere, hydrosphere, biosphere
Why is the ATMOSPHERE important?
protects from UV radiation, traps heat to insulate Earth’s surface, stores essential gases
What are the gases that can be found in the atmosphere?
nitrogen, oxygen, argon, carbon dioxide
What is the LITHOSPHERE composed of?
crust and upper mantle
What is the HYDROSPHERE composed of?
all water on Earth’s surface
What is the BIOSPHERE composed of?
regions of other subsystems that are occupied by living organisms
What is an ENVIRONMENT?
surroundings that an organism lives in
What is ECOLOGY?
branch of biology that studies the interactions between living things and their environment
What is an ECOSYSTEM?
group of living organisms that live and interact with each other in a specific environment