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Principles of Ecology

Across
Organisms that rely on other organisms for their energy and food supply; also called consumers.
Made up of populations of organisms that live in a common area.
The non-living parts of the environment.
Such as photosynthesis, respiration and decomposition.
Organisms that seek out and eat other organisms.
Organisms that use sunlight or energy stored in chemical compounds to make food because they make their own food.
Elements, compounds, and other forms of matter are passed from one organism to another and from one part of the biosphere to another; Connect biological, geological, and chemical aspects.
The ability of living things to survive the changes in their environment.
Break down organic matter.
All strategies and adaptions a species uses in its environment.
Diagram that shows amounts of energy or matter at each trophic level.
Autotrophs that capture chemical energy since they live in places without sunlight bacteria found in volcano vents, hot springs, tidal marshes.
The atmosphere is the main reservoir of nitrogen; it also cycles through the soil and tissues of living organisms.
Large group of ecosystems that shares the same type of climax.
Down
Process used by autotrophs to make food energy from sun, plants, algae, cyanobacteria.
Study the flow of energy through communities to discover nutritional relationships between organisms.
Phosphorus in biosphere cycles among the land, ocean sediments, and living organisms.
Study of the interactions among organisms and their environment.
Such as erosion and volcanic activity release CO2
Organisms that are eaten.
The main energy source for life on Earth.
Models that show all possible feeding relationships at each trophic level in a community; links all food chains in an ecosystem together.
Cover about 3/4 of Earth's surface and includes oceans, coral reefs, and estuaries.