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Ecology
Energy Flow
Levels of Organization
Ecological Methods
Cycles of Matter
100
Energy for all life processes come from here.
What is the sun
100
Organisms that make their own food.
What is an autotroph.
100
They break down organic matter.
What is a decomposer
100
Using chemical energy to produce carbohydrates.
What is chemosynthesis
100
Each step in a food chain or web.
What is a trophic level.
200
The study of interactions between organisms and organisms and their environment.
What is ecology.
200
Feeds on animal and plant remains and other dead matter.
What is a detrivore.
200
Collection of different populations that live together in an area.
What is a community.
200
A group of ecosystems that have the same climate and dominant communities.
What is a biome.
200
They connect biological, geological and chemical aspects of the biosphere.
What are biogeochemical cycles.
300
Heterotrophs that eat both plants and animals.
What is an omnivore.
300
Links all food chains in an ecosystem.
What is a food web.
300
Total amount of living tissue in a trophic level.
What is biomass.
300
Rate at which organic matter is created by producers.
What is primary production.
300
Process in which bacteria convert nitrates into nitrogen gas.
What is denitrification.
400
The highest level of organization.
What is the biosphere.
400
Primary producer in the upper levels of the ocean.
What is algae.
400
Assemblage of different populations that live together in a defined area.
What is a community.
400

These types of sedimentary rock formations can inform ecologists and evolutionary biologists to what species previously inhabited an area.

What are fossils.

400
These consumers occupy only 1.0% of the energy pyramid.
What is a second-level consumer.
500
A collection of all organisms that live in a particular place, together with their physical environment.
What is an ecosystem.
500
Primary producer in tidal flats and salt marshes.
What is photosynthetic bacteria.
500
The combined portions of the planet in which all life exists.
What is a biosphere.
500

This process can be difficult to study because they occur over long periods of time, up to 100s of years.

What is primary succession

500
The key ingredient of all living tissue.
What is carbon.