Energy Flow in Ecosystems Quiz

What is the main concept of energy flow in ecosystems?

• Energy is created by organisms.

• Energy is destroyed by organisms.

• Energy transfers from one organism to another.

• Energy remains constant in one organism.

Which of the following organisms is a decomposer?

• Cow

• Lion

• Human

• Fungi

What is always at the lowest level of a food chain?

• Herbivore

• Carnivore

• Autotroph (Producer)

• Omnivore

Which organism in the food chain of an owl is a consumer?

• Plant

• Sunlight

• Owl

• Soil

What does an ecological pyramid show?

• The flow of energy in trophic levels

• The number of organisms in an ecosystem

• The distribution of water in an ecosystem

• The types of plants in a habitat

What is the primary focus of an energy pyramid?

• The flow of nutrients

• The flow of energy

• The flow of water

• The flow of carbon

Which of the following is not a reason for limited trophic levels?

• Energy loss at each level

• Large population of top consumers

• Unlimited food supply

• Need for more food from lower levels

Match the following pyramid type to the correct definition.

• Biomass Pyramid

• Dry weight of tissue and other organic matter found in a specific ecosystem; best measure of energy in ecosystem

• Number Pyramid

• Shows relative numbers of organisms needed at each level to sustain the level above it

• Energy Pyramid

• Each level shows amt. of energy available to other organisms

An ​ (a)   is a diagram that can show the relative amount of ​ energy, ​biomass, or ​ (b)   of organisms at each ​ (c)   level in an ​ (d)   .

• ecological pyramid
• numbers
• trophic
• ecosystem

Place each organism into the correct category.

Groups:

(a) Carnivore

,

(b) Omnivore

,

(c) Herbivore

,

(d) Detritivores

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