Prod., Con, Decom
These organisms make their own food using sunlight.
What are producers?
This shows a single pathway of energy moving through an ecosystem.
What is a food chain?
When two organisms compete for the same food source, they are demonstrating this interaction.
What is competition?
Living parts of an ecosystem are known as these factors.
What are biotic factors?
A long period with little or no rainfall is called this.
What is a drought?
An animal that only eats plants is called this.
What is a herbivore?
Arrows in a food chain show this.
What is the direction of energy flow?
A tick feeding on a dog is an example of this symbiotic relationship.
What is parasitism?
Water, sunlight, and temperature are examples of these factors.
What are abiotic factors?
Organisms introduced into a new environment that can cause harm are called these.
What are invasive species?
Fungi and bacteria are examples of these organisms that break down dead matter.
What are decomposers?
A food web is different from a food chain because it shows these.
What are multiple feeding relationships?
A clownfish and sea anemone both benefit from living together. This relationship is called this.
What is mutualism?
This abiotic factor is the main source of energy for most ecosystems.
What is sunlight?
Cutting down large areas of forest is known as this.
What is deforestation?
An organism that eats both plants and animals is called this.
What is an omnivore?
Only about 10% of energy is passed to the next level. Most of the remaining energy is lost as this.
******** DAILY DOUBLE**********
What is heat?
A bird builds a nest in a tree. The bird benefits while the tree is unaffected. This relationship is called this.
What is commensalism?
A decrease in rainfall would directly affect this abiotic factor.
What is water availability?
This term describes all the individuals of one species living in an area.
What is a population?
A hawk eats a snake, which ate a mouse, which ate grass. The hawk is classified as this type of consumer.
What is a tertiary consumer?
If a top predator is removed from a food web, this can happen to the populations of its prey.
What is an increase in population?
Name the three major types of symbiosis.
What are mutualism, commensalism, and parasitism?
Classify the following as biotic or abiotic: soil, mushroom, deer, sunlight, and grass.
Soil and sunlight are abiotic; mushroom, deer, and grass are biotic.
A disease kills many insects in an ecosystem. Predict one likely impact on the food web.
What is a decrease in animals that eat insects?