Which of the following is NOT a biotic part of an ecosystem?

A colony of beetles would be defined as a

This word will describe all the parts of an environment and all of the organisms living within it.

Carbon is normally taken out of the atmosphere by plants using this process...

Humans will take carbon out of long term cycles through fossil fuels and burn them for fuel. What environmental issue does that cause?

Photosynthesis is needed for which two biogeochemical cycles in their recycling process?

A network of food chains representing the feeding relationships among the organisms in an ecosystem is

called a(n).

This type of consumer is necessary in the ecosystem, having the niche of recycling nutrients, but is typically left off of an energy pyramid.

This will describe the layer in the energy pyramid, or the feeding relationship structure in an ecosystem. 

Which of the following correctly explains the path of energy through the food web?

The direction of an arrow in a food web shows how much energy goes to...

The diagram above is called a(n)

In a ocean ecosystem, which TWO are abiotic factors?

Which of the following descriptions about the organization of an ecosystem is correct?

________________________ in an ecosystem would lead to secondary succession.

During a succession, plants that grow after a fire like the mosses and grasses are called the...

In any biome, there will be plants and animals that have been there for a long time. What is that an example of?

If a glacier moves or a volcano creates an island, which type of succession will create the ecosystem?

Which type of succession takes longer to achieve the climax community, due to them having to turn rocks into dirt?

About how much energy is passed up from trophic level to trophic level?

Most organisms will use this source as the ultimate source of energy.

A clownfish lives in a sea anemone. The anemone is not hurt, but the clownfish can live in its safety. This is an example of what symbiotic relationship?

A dog and a tick are examples of which symbiotic relationship?

Elephants usually travel in packs. Elephant birds often follow the birds, eating the bugs around the elephants. This symbiotic relationship is a...

According to the forest food web, which organism is considered a primary consumer?

According to the food web above, the mouse eats

The following cycle involves movement through organisms, soil, water, and rocks. Which one is it?

Nitrogen cycles through the ecosystem and is converted into useable form by

Which of the following statements about cycles of matter is true?

Cellular respiration is the reverse reaction to what cellular process?

Just like with food chains and food webs, how do animals get nutrients like nitrogen and phosphorus into their bodies?

A pioneer species is the first species to claim an ecosystem. Which of the following is a pioneer species?

Which of the following will NOT cause secondary succession to begin?

What is the correct order of succession in the pond?