Levels of Organization
Symbiotic Relationships
Vocabulary Terms
The Flow of Energy
Food Chains and Webs
100

Fill in the blank: 

Atom --> Molecule --> Cell --> ________ --> Organ

What is tissue?

100

This is the struggle between organisms to survive as they attempt to use the same limited resource. 

What is competition? 
100

This is the portion of Earth that supports life. 

What is the biosphere? 

100

If the secondary consumer stores 64 units of energy, how much energy would the tertiary consumer store? 

6.4 units

100

These organisms are carnivores that eat the remains feed off of dead organisms. 

What are scavengers? 

200

Fill in the blank: 

Organ System --> Organism --> __________ --> Community

What is population?

200

This is the name for the interaction where the predator kills another organism, the prey. 

What is predation? 

200

What is the difference between abiotic and biotic factors? 

Biotic - living

Abiotic- nonliving

200

As you go higher up the energy pyramid, the amount of energy stored _________. 

decreases/ lessens/ gets lower

200

In this food chain, which organism is the secondary consumer? 

grass --> slug --> thrush --> cat --> hawk

What is thrush?

300

All of the _______ on Earth makes up the hydrosphere. 

What is water?

300

This is a relationship where both species benefit.

What is mutualism? 

300

This organism eats both plant and animal matter. 

What is an omnivore? 

300

If the tertiary consumer stores 0.91 units of energy, how much energy did the producer have? 

910 units

300

In both a food chain and food web, these symbolize the flow of energy. 

What are arrows? 

400

What is the difference between a community and an ecosystem? 

Communities do not include abiotic factors. Ecosystems do. 

400

This is a relationship where one species is helped and the other is harmed. 

What is parasitism? 

400

Pronounce this word: Tertiary.

TER-SHE-AIR-E

400

If the sun produces 222 units of energy, how much energy is stored by the primary consumer? 

2.22 units

400

Why is a food web a better image of biodiversity than a food chain? 

There are more consumers or organisms pictured. More variety. Multiple food chains put together. 

500

What is the difference between a population and a community?

A population is a grouping of the same organisms, whereas a community is a grouping of multiple populations. 

500
This relationship is where one species is helped and the other is neither helped nor harmed. 

What is commensalism? 

500

What is an autotroph? Define and give an example. 

An autotroph is an organism that gets its energy from the sun to make its own food. An example is a plant. 

500

Name two ways that organisms use energy that is obtained from eating something below them in the pyramid. 

1. Stored as biomass

2. Given off as heat

3. Lost to surroundings

4. Powers cells/ daily activities. 

500

Name the levels of an energy pyramid, from the sun to the tertiary consumer. (4 trophic levels)

What is sun, producer, primary consumer, secondary consumer, tertiary consumer? 

M
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