Ecology-grade 10-2

Multiple Select

What is Ecology?

• The study of organisms interactions with each other

• The study of how organisms interact with each other and the environment

• The study of life

• The study of how students learn in the school environment

Levels of organization

• Population- A group of the same species

• Community- A group of species in the same area

• Ecosystem- All biotic and abiotic factors in an area

Biomes

• Biomes are categories of ecosystems

• --- Climate- The long-term temperature and rain fall of an area

• --- Communities of living things

Multiple Choice

TRUE or FALSE?

Each biome also has a characteristic set of organisms that are adapted to living there.

• True

• False

Multiple Choice

What is the main factor that separates the biomes?

• Land
• Water
• Climate
• Longitude

Where do populations live?

• Niche- the abiotic conditions that a population lives and the role it plays

• Habitat- place where an organism lives and its niche

Multiple Choice

The place where an organism lives.

• habitat

• niche

Multiple Choice

The lion lives on the savanna. 

• habitat
• niche

Multiple Choice

The lion is a carnivore. 

• habitat 
• niche

Multiple Choice

One single organism is known as an ___________.

• Individual
• Population
• Community
• Ecosystem

Multiple Choice

The temperate decisuous forest, the tropical rain forest, the desert, and the tundra are all examples of...

• the biopshere.
• biomes.
• ecosystems.
• communities.

Multiple Choice

Jacob is going out to his grandparents farm. On the farm is a stream that he likes to fish at. When he is fishing he sees many differernt speacies of fish as well as maple and oak trees and dragonflies. What Jacob is seeing is an example of what level of organization?

• organism

• population

• community

• ecosystem

Multiple Choice

a world in which human populations can continue to exist indefinitely with a high standard of living and health

• population crisis

• consuption

• sustainable

• environment

Multiple Choice

What is a hypothesis?

• a guess

• a testable explanation

• a theory

• a law

Multiple Choice

How many variable should be adjusted in an experiment?

• 1

• 2

• 3

• 4

Multiple Choice

What kind of graph is this?

• line graph

• bar graph

• table

• pie chart

Multiple Choice

What type of graph is use to show parts of a whole?

• line graph

• bar graph

• circle graph

• data table

Multiple Choice

The mathematical discipline frequently used by scientists to analyze data is called

• statistics

• algebra

• trigonometry

• geometry

Multiple Choice

When you investigate an environmental problem, the final step is to

• gather data

• list pros and cons

• consider the consequences

• make a decision

Multiple Choice

Which of the following correctly shows an energy pyramid?

• A

• B

• C

• D

Multiple Choice

How much energy is transferred from one trophic level to the next in an energy pyramid?

• 1%

• 10%

• 100%

• 90%

Multiple Choice

Kilocalories (kCal) is a measure of energy. If there are 1000 kCal available for the producers in trophic level #1, how much energy is available for the secondary consumers trophic level #3? (Hint: use the Rule of 10s)

• 10 kCal

• 1 kCal

• 100 kCal

• 1000 kCal

Multiple Choice

9. What will happen if the number of bluebirds decreases?

• the number of snakes will increase.

• the number of snakes will decrease.

• the number of grasshoppers will decrease.

• the number of grass will increase.

Multiple Choice

In the energy pyramid here, how much of the energy in each level gets lost as heat or used by the organism for survival?

• 80%
• 90%
• 10%
• 20%

Multiple Choice

90% of the energy that gets lost as you move up a food pyramid or chain gets lost as

• pollution to the environment

• heat to the environment

• energy for decomposers

• gets recycled

Multiple Choice

If all of the squirrels were removed from the food web above, which organism's population would decrease?

• Mountain Lions

• Antelopes

• Hawks

• Coyotes

Multiple Choice

All food chains_____________________

• have more consumers than producers
• produce and use same amount of energy
• begin with a producer
• are unhealthy 

Multiple Choice

A collection of organisms that belong to different populations but all live in the same area and interact with one another.

• Population
• Ecosystem
• Community
• Ecosphere