Earth's Ecosystems
The non-living parts of an ecosystem such as rocks, sunlight, air, temperature.
What is an abiotic factor?
A model of the path that energy in food takes as it moves from one organism to the next within an ecosystem.
What is a Food Chain?
The average weather pattern of a region over time.
What is Climate?
A condition that controls the size or growth of a population.
What is a Limiting Factor?
Each species has a specific role in the community known as this.
What is a Niche?
Made up of the living and nonliving things in an area.
What is an Ecosystem?
An organism that makes its own food rather than consuming other organisms to obtain energy.
What is a Producer?
A region that has a particular climate and contains certain types of plants and animals.
What is a Biome?
When a species has numbers that have declined to a level at which the species may become endangered.
What is Threatened?
This statement has 2 correct questions.
Animals that hunt and kill other organisms for food.
Animals that feed on the remains of dead animals that it did not kill.
What are Predators?
What are Scavengers?
All the populations that live together in the same place make this up.
What is a community?
What are Consumers?
Water ecosystems that are located where rivers flow into oceans.
What are Estuaries?
A species that has numbers that have been so reduced that the species is in danger of extinction.
What is Endangered?
This statement has 2 questions
Animals that swim through the water.Animals that live on or near the ocean floor.
What are Benthos?
The living parts of an ecosystem, such as animals, plants, and bacteria.
What are Biotic Factors?
A model that shows how food chains overlap within an ecosystem.
What is a Food Web?
Areas in which water is near the surface of the soil much of the time. This type of area includes marshes, swamps and bogs.
What are Wetlands?
A species that no longer exists either in the wild or in captivity is known as this.
What is Extinct?
Similar features in different organisms are known as comparative structures.
When body parts are similar but meet different needs, they are called this.
What are Homologous Structures?
The attempt by organisms to obtain a resource that is available in a limited supply.
What is Competition?
A model that shows how energy flows through a food chain. As energy moves from one level to an other, only about 10% of that energy is preserved.
What is a Energy Pyramid?
These types of forests in some parts of North America, are bright with color for a few months each year.
In this type of forest, many trees lose leaves as winter approaches.
What is a Deciduous Forest?
The gradual replacement of one community by another.
What is Succession?
When one organism benefits without harming the other, this relationship occurs.
What is Commensalism?