EcosystemsEcosystems

•Test reviewTest review

•What do plants What do plants give off that give off that organisms use?organisms use?

•What do What do organisms give organisms give off that plants off that plants use?use?

•What does the What does the ozone layer ozone layer protect us from?protect us from?

•Write an Write an expression for expression for photosynthesis.photosynthesis.

•How can people How can people reduce global reduce global warming?warming?

•What is succession?What is succession?

What do plants give off that organisms use?What do plants give off that organisms use?

•OxygenOxygen

3 points3 points

What do organisms give off that plants use?What do organisms give off that plants use?

•Carbon DioxideCarbon Dioxide

• 5 points5 points

What does the ozone layer protect us from?What does the ozone layer protect us from?

•Ultraviolet Ultraviolet radiationradiation

•4 points4 points

Write an expression for photosynthesis.Write an expression for photosynthesis.

•Plants use :Plants use :

Sunlight Sunlight to change to change carbon carbon dioxidedioxide and and water water intointo sugar sugar

for food.for food.

6 points6 points

How can people reduce global warming?How can people reduce global warming?

•Use less fossil fuels.Use less fossil fuels.

• 3 points3 points

What is succession?What is succession?

•One species replaces another

•species in an ecosystem.

•For each person in For each person in your group wearing your group wearing

green…green…

•+ 2 points+ 2 points

•For each person who For each person who likes the NY Mets…likes the NY Mets…

• - 3 points- 3 points

•For each person who For each person who has been out of the has been out of the country…country…

•- 1 point- 1 point

•What is the role What is the role of Nitrogen?of Nitrogen?

•What is an What is an ecosystem?ecosystem?

•Can we use the Can we use the nitrogen we need to nitrogen we need to live, directly from the live, directly from the air? Why/ Why not?air? Why/ Why not?

•All the different species All the different species that live together in an that live together in an area are called a…area are called a…

•What can limit the What can limit the growth of growth of populations?populations?

•The best goalie is …The best goalie is …

•+ 3 points+ 3 points

What is the role of nitrogen?What is the role of nitrogen?

•Make proteinMake protein

•5 points5 points

What is an ecosystemWhat is an ecosystem

• All the living and All the living and non- living things in non- living things in an area.an area.

•3 points3 points

Can we use theCan we use the nitrogen we need nitrogen we need

to live, directly from the air? Why/ to live, directly from the air? Why/ Why not?Why not?•No- Nitrogen in the No- Nitrogen in the air is an element. We air is an element. We can only use nitrogen can only use nitrogen compounds.compounds.

•5 points5 points

All the different species that live All the different species that live together in an area are called a…together in an area are called a…

•CommunityCommunity

•4 points4 points

What can limit the growth of What can limit the growth of populations?populations?

•An increase in An increase in predators.predators.

• Henrik LundqvistHenrik Lundqvist

•For each person in your For each person in your group that has gotten a group that has gotten a 100% on a reading log…100% on a reading log…

•+ 5 points+ 5 points

•For each person in your For each person in your group that likes hotter group that likes hotter weather…weather…

•- 4 points- 4 points

•For each person in your For each person in your group who loves to group who loves to read…read…

•+ 6 points+ 6 points

•What four materials What four materials we all need to we all need to survive, cycle through survive, cycle through an ecosystem?an ecosystem?

•What are the two What are the two ways nitrogen ways nitrogen elements are elements are changed into changed into compounds?compounds?

•What two What two processes make up processes make up the oxygen- carbon the oxygen- carbon dioxide cycle?dioxide cycle?

•What is What is transpiration, and transpiration, and what cycle is it what cycle is it found in?found in?

•What 3 things can cause What 3 things can cause a population to a population to increase?increase?

What four materials we all need to survive, What four materials we all need to survive, cycle through an ecosystem?cycle through an ecosystem?

•WaterWater•Oxygen Oxygen •Carbon dioxideCarbon dioxide•NitrogenNitrogen

•4 points4 points

What are the two ways nitrogen elements are What are the two ways nitrogen elements are changed into compounds?changed into compounds?

•LightningLightning

•BacteriaBacteria

•3 points3 points

What two processes make up the oxygen- What two processes make up the oxygen- carbon dioxide cycle?carbon dioxide cycle?

•PhotosynthesisPhotosynthesis•RespirationRespiration

•5 points5 points

What is transpiration, and what cycle is it What is transpiration, and what cycle is it found in?found in?

•Leaves release water through Leaves release water through their skins during the process their skins during the process of photosynthesis.of photosynthesis.

•Water cycleWater cycle

• 6 points6 points

What 3 things can cause a population What 3 things can cause a population to increase?to increase?

•No/ few predatorsNo/ few predators

•No diseaseNo disease

•Plenty of resourcesPlenty of resources

•For each person going For each person going away over holiday away over holiday break…break…

•- 3 points- 3 points

•For each person in your For each person in your group who is 12 or group who is 12 or older…older…

•+ 2 points+ 2 points

•If anyone in your group If anyone in your group has more that 3 brothers has more that 3 brothers and sisters…and sisters…

•+ 4 points+ 4 points

•The materials that The materials that plants compete for that plants compete for that can give them a tall, can give them a tall, spindly look are…spindly look are…

•What is the correct flow What is the correct flow of energy in a food of energy in a food chain?chain?

•The flow of energy The flow of energy from one organism to from one organism to another is another is represented by a …represented by a …

•Where is most of the Where is most of the energy in a food chain energy in a food chain stored?stored?

•If a large number of If a large number of trees were cut down, trees were cut down, which gas would which gas would increase in the air?increase in the air?

The materials that plants compete for The materials that plants compete for that can give them a tall, spindly look that can give them a tall, spindly look are…are…

•Space and lightSpace and light

What is the correct flow of energy in a What is the correct flow of energy in a food chain?food chain?

• SunSun

• ProducerProducer

• ConsumerConsumer

• DecomposerDecomposer

The flow of energy from one organism The flow of energy from one organism to another is represented by a …to another is represented by a …

•Food chainFood chain

Where is most of the energy in a food Where is most of the energy in a food chain stored?chain stored?

•In the producers In the producers (bottom of the (bottom of the pyramid.)pyramid.)

If a large number of trees were cut If a large number of trees were cut down, which gas would increase in the down, which gas would increase in the air?air?

•Carbon dioxideCarbon dioxide

•If you are in my If you are in my homeroom…homeroom…

•3 points3 points

•If you love If you love chocolate…chocolate…

•-2 points-2 points

•If you are in chorus…If you are in chorus…

•3 points3 points

•Calculate your Calculate your score!score!