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Vocabulary
The Biosphere
Energy, Producers and Consumers
Energy Flow in Ecosystems
Miscellaneous
100
This consists of all life on Earth and all parts of the Earth in which life exists, including land, water, and the atmosphere.
What is the biosphere?
100
Many people say this study and ecology are linked together.
What is economics?
100
These are the first producers of energy-rich compounds that are later used by other organisms.
What are primary producers?
100
This is the network of food chains, showing interactions of organisms within an environment.
What is a food web?
100
These are organisms such as bacteria and fungi that "feed" chemically by breaking down organic matter.
What are decomposers?
200
This is the scientific study of interactions among organisms and between organisms and their physical environment.
What is ecology?
200
This is a group of organisms consisting of similar individuals that can reproduce.
What is a species?
200
This is the process in which light energy is captured and used to power chemical reactions.
What is photosynthesis?
200
On average, this is the amount of energy available when one trophic level is transferred to the next trophic level.
What is about 10%?
200
These are organisms that rely on other organisms for energy and nutrients.
What are consumers?
300
These are the nonliving factors in an environment.
What are abiotic factors?
300
This is a group of organisms of the same kind living in the same habitat.
What is a population?
300
These are organisms that consume the carcasses of other animals that have been killed by predators or have died of other causes.
What are scavengers?
300
This is the total amount of living tissue within a given trophic level.
What is biomass?
300
This shows the relative amount of energy or matter contained within each trophic level in a given food chain or food web.
What is an ecological pyramid?
400
These organisms kill and eat other animals.
What are carnivores?
400
This is an example of a biotic factor.
What is grass?
400
These are organisms that obtain energy and nutrients by eating plant leaves, roots, seeds, or fruits.
What are herbivores?
400
This is the name of each step in a food chain or a food web.
What is a trophic level?
400
This starts every food chain and food web.
What is the sun?
500
This is a series of steps in which organisms transfer energy by eating and being eaten.
What is a food chain?
500
This step usually forms the first part of the process of designing experiments and models.
What is observation?
500
This is the process in which chemical energy is used to produce carbohydrates.
What is chemosynthesis?
500
This is the name of floating algae and attached algae.
What is phytoplankton?
500
These are animals whose diets include a variety of different foods that usually include both plants and animals.
What are omnivores?