A change in the food web due to any population have an effect on

A simple diagram with arrows showing a single pathway of energy flow from grass, to a rabbit, to a fox is

1. An energy pyramid
2. A food chain
3. A food web
4. A population chart

Grass that gains energy from the sun is an example of a

1. Consumer 
2. Decomposer 
3. Parasite
4. Producer  

Animals that eat a variety of meats, fruits, and vegetables are

1. Producers
2. Omnivores
3. Carnivores 
4. Herbivores

Animals generate _____ which the plants use.

Abiotic factors are also known as _____things.

Any waste materials can be used by living animals, plants, and other organisms.

1. True
2. False

When the energy of the sun converts into chemical energy for photosynthesis or respiration, the result is the loss of energy as heat.

1. True
2. False

If we remove a top predator, the food chain will remain the same.

1. True
2. False

Survival of wildlife is becoming difficult as their natural habitat is being cut down.

1. True
2. False

Global warming results in the_____ of ice caps. 

1. Melting
2. Boiling
3. Freezing
4. Cooling

Which of the following is the definition of a disturbance in an ecosystem?

1. Any change that causes a disruption in an ecosystem
2. When an ecosystem is in a state of balance
3. When an ecosystem is no longer in a state of balance and cannot recover
4. When an ecosystem changes into a new ecosystem

Trees take in _____and give out oxygen to nature.

Which of the following would be an example of ecological balance? 

1. A predatory bat species that do not have a nesting habitat
2. A predatory bat species that help keep mosquito populations in check
3. A bat species that migrates to a new ecosystem
4. An individual bat that does not survive because of winter conditions

_____is a gradual increase in the earth’s temperature generally due to the greenhouse effect. 

1. Global warming
2. Ozone layer depletion      
3. Pollution 
4. Tsunami

The loss of trees and other vegetation can cause _____change.