Food Chains
Relationships
Water cycle
Matter Cycle
Words
100

Organisms that make their own food are known as _____trophs. 

What is AUTOtrophs? 

100

In this type of relationship, one organism feeds/lives on/within another.

What is Parasitism? 

100

When water cycles it often falls to the earth as rain, snow, or sleet.  This is known as

What is Precipitation? 

100

Many types of matter cycle through biological systems.  The most commonly studied are ______, Hydrogen, Oxygen, Phosphorus, and Sulfur.

What is Carbon?


100

All of the living things in an ecosystem are known as.

What is Biotic Factors? 

200

Organisms that occupy the second level of a food chain, eating producers are known as.

What is Primary Consumers?

200

In this type of relationship, one organism kills another for food/energy.

What is Predation? 

200

As water cycles, it often accumulates in lakes, ponds, rivers, streams or even oceans.  This is known as

What is Groundwater? 

200

This element needs help from “fixing” bacteria as it cycles through the ecosystem.

What is Nitrogen? 

200

All the nonliving parts of an ecosystem are known as

What is Abiotic Factors? 

300

These organisms are often not pictured in a food web but are critical for breaking down dead/decaying matter.

What is Decomposers? 

300

In this type of relationship, one organism benefits and the other is neither harmed nor helped.

What is Commensalism? 

300

When water leaves the grounds and returns to the atmosphere this process is known as

What is Evaporation? 

300

Carbon often enters the atmosphere through exhaust from cars and factories in a process called

What is Combustion? 

300

All of the different types of organisms in an ecosystem is known as

What is Biodiversity? 

400

Approximately _____% of energy is transferred from one level of a food chain to the next.

What is 10%? 

400

In this type of relationship, both organisms benefit.

What is Mutualism? 

400

When trees “sweat” water is returned back to the atmosphere in a process known as

What is Transpiration? 

400

When organisms die, their matter is cycled through the ecosystem as their bodies undergo this process.

What is Decomposition? 

400

These organisms are not “from here” and can cause serious problems for an ecosystem

What is Non-native, Introduced, or Invasive Species? 

500

The different levels of a food chain, or pyramid are known as __________ levels.

What is Trophic?

500

Relationships between two organisms that live and interact with one another are often called _________ relationships.

What is Symbiotic? 

500

When water moves underground, being absorbed into the soil it is also being filtered.  This process is known as

What is Percolation? 

500

Removal of a this type of species can result in complete destruction of an ecosystem. Not always the top of the food chain…

What is Keystone Species? 

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