which is the correct order of the levels of organization from simple to complex?

Which of the following levels of organization is level 1?

Which of the following levels of organization is level 3?

Based on the students observations, which letter describes a community?

Removing what organism from the food web would cause the most instability?

What percent of energy with the Eagle receive?

Which of the following receives larger percent of the original energy than the Thrush?

A tiger is hiding in the thick jungle watching an antelope drinking water. What type of relationship is this?

A tapeworm makes it's way into the human digestive system and causes a human to lose nutrients and become weak. What type of relationship is this?

A bee flies around looking for nectar inside flowers as a food source. While the bee is eating pollen gets stuck to it's legs and helps fertilize the flower. What type of relationship is this?

A cattle egret follows behind cattle in a field. While the cow walks they stir up insects that can then be easily eaten by the egret. The cattle are unaffected. What type of relationship is this?

What type of relationship is shown in the image?

True or False: Nitrogen in the atmosphere in a usable form for plants.

Which organisms "fix" nitrogen into a useable form for plants.

Where do animals obtain their source of nitrogen from?

How do animals return nitrogen back into the cycle? (Choose more than one)

True or False: In order for an ecosystem to be healthy carbon and nitrogen must continually cycle.

What is one way that animals help cycle carbon back into the atmosphere?

What happens to an organism when it dies and carbon is again returned to the soil?

If we were to deforest a large area of trees, how would that impact the atmosphere in the carbon cycle?

Which organisms are responsible to keep both nitrogen and carbon cycling throughout the atmosphere to maintain a stable ecosytem?

Which of the following disruptions is caused by removing fish populations faster than they can repopulate?

When excess nitrogen from fertilizer runs into a nearby lake it can cause an algal bloom. The algae grow quickly and can cover the water with a blanket of algae. How could this impact other producers living in the water?

Why are invasive species so detrimental (dangerous) for ecosystems?

According to this food chain which of the following will receive 10% of the original energy?

Kelp --->Sea Urchin ---> Otter ---> Orca

Overfishing can cause the kelp bass populations to be eliminated from this ecosystem. How will this impact the bat star population?

What do we call an organism that is NOT native to an area and can destroy an ecosystem?

Which would result in primary succession?

Primary succession occurs in areas with:

______________________ occurs in an area where soil is already present.

The first organisms that appear in an ecological community

Which of the following best describes primary succession?

What do we call a stable ecological community that has reached equilibrium?

Which would have the greatest biodiversity?

Which type of succession would have greater species diversity?

Which pioneer species help break down bare rock into soil?

There is a forest fire that burns down all the plants above soil. During secondary succession the ecosystem can bounce back fairly quickly because..

The use of aerosol cans such as hair spray have been found to create holes in earths atmosphere. When holes are created it causes surface temperatures to increase. If this causes ocean temps to increase and kill off a marine top consumer.

What would have to the rest of the ecosystem?

Which type of succession is shown in this image?

Upon analyzing the nitrogen cycle shown, what should the students add more of to eliminate nitrates from the tank that will reduce the number of water changes?

Fungi can also be considered decomposers.....what would their function be in an ecosystem?

The success of turtles hatching is based on the temperature of the air. Based the table which scenario would cause the most turtles to be born?

According to the food web, which organisms are secondary consumers? Choose 2

If you look at the desert food web all the arrows are pointing TOWARD the bacteria? What type of organisms are bacteria?

In a food web what do the arrows represent?

As we move up the energy pyramid we lose 90% of energy to __________.

Removing what organism from this food web would cause the most instability to the ecosystem?

If the harvester ants were removed from the ecosystem, how would this impact the rest of the organisms?

The clownfish defends the sea anemone from being eaten by the butterfly fish as well as provides the anemone with nutrients from their poop. In return, the sea anemone provides the clownfish a place to live and protection from other predators.

What type of symbiotic relationship is this?

Mistletoe attaches to trees and steals away all their nutrients to grow. Eventually this will kill the tree.

What type of symbiotic relationship is this?

During secondary succession, soil depth increases....what does this allow to happen in that ecosystem?

What does the letter "X" represent in the carbon cycle diagram?

What does the letter "Y" represent in the carbon cycle diagram?

What would immediately happen to the carbon cycle if a forest fire burned down thousands of acres of forest?

What percent of the energy will the eagle receive in this energy pyramid?

True or False: Ecosystems contain both biotic and abiotic factors.

Where do plants get their original source of carbon from?

True or False: Both primary succession and secondary succsion have the same types of plants present in both of them.

Using the food web which organisms are ONLY secondary consumers....