Ecology Review

ECOLOGY Review

By Monair Cobham

Ecosystem refers to the interactions between species and their environment

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Ecosystem

Different types of species in an environment

​Ways in which they obtain energy and food

Autotrophs/Producer - These organisms make their own food through the process of photosynthesis
Consumers - They eat other organisms to obtain energy or as a food source

Secondary Consumers - They obtain energy or food by consuming only plants
Primary Consumers - They obtain their energy or food by eating other animals

QUIZ QUESTIONS

Multiple Choice

A rat that eats seeds ins an example of a _________.

• primary consumer

• producer

• secondary consumer

• tertiary consumers

Multiple Choice

All herbivores are _____.

• producers

• primary consumers

• secondary consumers

• tertiary consumers

Multiple Choice

A snake that eats a mouse which feeds primarily on seeds is an example of a

• tertiary consumers

• primary consumer

• secondary consumer

• producer

A food web is the natural interconnection of food chains and a graphical representation of what-eats what in an ecological community

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​Food Web

QUIZ QUESTIONS

Multiple Choice

Which organism gets its energy from 3 organisms?

• mountain lion

• hawk

• squirrel

• snake

Multiple Choice

If the yellow perch population were to increase what would happen to the algae?

• The algae population would increase

• The algae population would decrease

• The algae would be unaffected

• It would cause a forest fire

Multiple Choice

Use the diagram to answer the question.
The trout is a source of food for the human and the eagle. When there are more than one organism vying for the same source we call this____?

• Population
• Resources
• Community
• Competition

Energy Pyramid ​- An energy pyramid is a diagram that illustrates the flow of energy through different trophic levels in an ecosystem

Which organism contains the most energy?

Which organisms contains the least amount of energy?

Trophic Levels

QUIZ QUESTIONS

Multiple Choice

Which organisms have the most energy available?

• Producers

• Carnivores

• Herbivores

• Top Predator

Multiple Choice

Which organism has the least amount of energy available?

• Producers

• Herbivores

• Carnivores

• Top Predator

Multiple Choice

If these organisms were arranged in a food pyramid, which organism would have the least amount of total energy available?

• coyote

• insect

• lizard

• shrub

Multiple Choice

Which organism receives the least amount of energy from the producer?

• Owl

• Grasshopper

• Lilypad

• Mouse

Multiple Choice

How does the energy flow in an energy pyramids?

• up the pyramid

• down the pyramid