Food Webs
Around the World
Relationships
Cycling
Throwback
100

These levels show the relationships between producers, primary consumers etc.

What are trophic levels?

100

A group of ecosystems classified by climate and vegetation.

What is a biome?

100

The term for living organisms in an ecosystem.

What is biotic?

100
In the water cycle, the means by which water evaporates from plant leaves.

What is transpiration?

100

The process by which solids melt or boil directly into gasses.

What is sublimation?

200

The lowest level in a food web, these organisms produce their own food.

What are producers or autotrophs?

200

A group of interbreeding, coexisting organisms.

What is a population?

200

The Oriental sweetlips gets its teeth cleaned and the blue-streak wrasses gets a snack.

What is mutualism?

200

Condensation and this are the two main ways water enters most ecosystems.

What is precipitation?  Also accepted, snow melt or surface run-off.

200

These prokaryotes "fix" nitrogen so it can be re-introduced to the soil.

What are nitrogen fixing or nitrifying bacteria?

300

These organisms are on the second level of a food chain.  

What are the primary consumers?

300

The non-living parts of any ecosystem.

What is abiotic?

300

The remora fish gets the leftovers from a feasting shark.

What is commensalism?

300

The ecosystem where all water runoff drains into a single body of water.

What is a watershed?

300

These are eukaryotic cells with a cell wall.

What are plant cells?

400
Organisms at the top level of the food web are often called this.
What is apex predator?
400

The measure of the amount of organisms in a certain area.

What is biomass?

400

Plasmodium, the small microorganism responsible for malaria is an example of this.

What is parasitism?

400

The main means by which oxygen reenters the oxygen cycle.

What is photosynthesis?

400

These are eukaryotic cells with a plasma membrane.

What are animal cells?

500

The study of interactions between living and non-living things.

What is ecology?

500

The calories on your candy bar are actually these.

What are kilocalories?

500

The goby fish can hide in a hole made by the blind shrimp.  This is what the shrimp gets.

What is warning of approaching predators?

500
This greenhouse gas is a byproduct of cellular respiration and decomposition.

What is carbon dioxide?

500

These are the five "R"s of recycling right.

What is refuse, reduce, reuse, re-purpose, and recycle?

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