Ecology Review Don’t Forget... Contestants …Always phrase your answers in the form of a...

Ecology Review

Don’t Forget...

Contestants

…Always phrase your answers in

the form of a question!

Remember to work as a team!

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Category 1

Category Category IIII

Category IV

CategorCategory Vy V

Category Category IIIIII

Food Web for $100

You have a food web with bushes eaten by deer and deer eaten by mountain lions. What type of organism is responsible for recycling

matter back into the soil?

What is…?

Decomposers

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What is..?

Food Webs for $200

Explain how energy is transferred from a plant to a

butterfly. Include the amount of energy available at each level

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Energy is transferred from the plant to the butterfly with less energy being available to the

butterfly

Food Web for $300

• If you have a food web with mice and hawks and you remove some of the mice, what happens to the numbers of hawks in the population?

What is?

• The number of hawks decreases in size

What is…?

Pyramids

This type of pyramid deals with the mass of the

organism

Biomass pyramid

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What is …?

Symbiosis

This type of symbiosis occurs when one organism

benefits and one organism is harmed.

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Parasitism

What happens to the carbon cycle when there is a lot of development. Ex: cutting down trees and

plants

What is…?

Miscellaneous

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There will be more carbon dioxide and

global climate change

What is…?

Breathe In and Out

This chemical is put into the atmosphere

by volcanoes and consumers

Carbon Dioxide

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Which chemical is released from cows during respiration

What is…?

Breathe

What is ?

• Carbon Dioxide

This type of symbiosis occurs when both species

benefit

What is..?

Symbiosis for $300

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Mutualism

Carbon dioxide

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What is…?

In an energy pyramid, which group has the

most available energy?

Pyramids

producers

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What is…?

Respiration occurs in which of the following?

Cats, fruit trees, rabbits

cats, trees, rabbits

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What is…?

What’s the last organism in a food web energy transfer?

Decomposers, bacteria, fungi

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Why are elements such as carbon not removed from the biosphere?

What is…?

Double the Money!!! Woohoo!

Because they are recycled

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What is…?

What would happen to the process of photosynthesis if producers were removed?

What is…?

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There would be a decrease in

energy produced in the ecosystem

What is…?

Trophic Levels

At the first trophic level there are 6,000 kcal/yr burned. How much energy is burned at the third level?

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60 kcal/year

What is…?

How is atmospheric nitrogen converted so that animals can

use it?

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By bacteria in the soil

What is…?

What type of symbiosis is it?

This type occurs when one organism benefits but there is no benefit or harm to the other organism

commensalism

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What is…?

Competitive Exclusion Principle

This principle states that no 2 species

shall….

Occupy the same niche

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What is…?

Competition

You want to test the effect of competition within one particular species of snails. How would you set up an aquarium to test this?

(Hint: food and snails)

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Set up one aquarium with a number of snails

and less food than they need to eat.

What is…?

In an ecosystem a pyramid of numbers measures what?

AND>>>…… what trophic level are the smallest number of

organisms found?

Gives the number of organisms in the

ecosystem,

Found at the top trophic level

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What is…?

Why is the smallest number of organisms found at the

top trophic level?

There is less energy available

Doofus!

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What is…?

Factors or nutrients that can affect the size of a population,

Hint: May also cause algae blooms

What is a limiting factor?

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What is…?

This nutrient is found mostly in rock/soil

phosphorus

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What is…?

How is carbon recycled back into

the soil and water?

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decomposers

What is…?

What is this chemical

C6H12O6?

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Glucose/sugar

What is…?

Misc for $500

What is the name of this chemical NH4?

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ammonia