22ndnd 6 Weeks 3 Week 6 Weeks 3 Week District Test ReviewDistrict Test Review

Power Point by: Katherine PeasePower Point by: Katherine Pease 77thth Grade science 2010 Grade science 2010

What are tundra and desert What are tundra and desert examples of?examples of?

Correct Answer: Correct Answer: B - BiomesB - Biomes

What is a hot, dry biome called?What is a hot, dry biome called?

Correct Answer:Correct Answer:

A - dessertA - dessert

Which biome contains mostly frozen Which biome contains mostly frozen soil called permafrost?soil called permafrost?

Correct Answer: C - TundraCorrect Answer: C - Tundra

Give at least one reason why many Give at least one reason why many animals that live in the desert are animals that live in the desert are

able to survive without directly able to survive without directly drinking water.drinking water.

http://en.wikipedia.org/wiki/Kangaroo_rat

Answer is…Answer is…

Desert animals get water from the plants Desert animals get water from the plants they eat.they eat.

Describe the Taiga and explain what Describe the Taiga and explain what organisms are able to survive there.organisms are able to survive there.

Cold, High latitudes (mountains)Cold, High latitudes (mountains) Coniferous ForestConiferous Forest Little RainfallLittle Rainfall Rain deer, MiceRain deer, Mice Snowshoe rabbitsSnowshoe rabbits WolverinesWolverines Adaptations:Adaptations:

Thick fur, color change with seasonsThick fur, color change with seasons HibernationHibernation MigrationMigration

Describe the deciduous forest and Describe the deciduous forest and explain what organisms are able to explain what organisms are able to

survive there.survive there. Change of seasonsChange of seasons Cool winters, warm summersCool winters, warm summers Moderate rainfallModerate rainfall Animals: deer, birds, rabbits, squirrels, Animals: deer, birds, rabbits, squirrels,

insects, small mammalsinsects, small mammals Plants: broad leaf trees, shrubs, birch, Plants: broad leaf trees, shrubs, birch,

bushesbushes Adaptations:Adaptations:

HibernationHibernation MigrationMigration Food storageFood storage

Describe the desert and explain what Describe the desert and explain what organisms are able to survive there.organisms are able to survive there.

Very hot in day / cold at night, dry climate, sand, Very hot in day / cold at night, dry climate, sand, platues, mesaplatues, mesa

Little to no rainfallLittle to no rainfall Animals: snakes, lizards, coyotes, jackrabbits, road Animals: snakes, lizards, coyotes, jackrabbits, road

runners, insects, birdsrunners, insects, birds Plants: cactus, tumble weeds, junipers, low shrubsPlants: cactus, tumble weeds, junipers, low shrubs Adaptation:Adaptation:

Dry, rough skinDry, rough skin Water storageWater storage NocturnalNocturnal Eat plants to consume waterEat plants to consume water

Why would a cactus be unable to Why would a cactus be unable to live in a tropical rainforest?live in a tropical rainforest?

Stores to much water, would drownStores to much water, would drown Needs sandy soilNeeds sandy soil Not able to get enough sun due to canopyNot able to get enough sun due to canopy

Which biome has the most Which biome has the most biodiversity?biodiversity?

RainforestRainforest Biodiversity is that Biodiversity is that

there is a large there is a large number of different number of different types of organisms types of organisms in an area.in an area.

Why do Monarch butterflies migrate Why do Monarch butterflies migrate during season changes?during season changes?

Food sourceFood source Weather changeWeather change

How does hibernation help How does hibernation help organisms to survive?organisms to survive?

To avoid the sever cold of winterTo avoid the sever cold of winter To conserve energy during limited food To conserve energy during limited food

supplysupply

How does migration help How does migration help organisms to survive?organisms to survive?

To avoid starvation due to limited foodTo avoid starvation due to limited food Avoid undesirable climateAvoid undesirable climate InstinctiveInstinctive

How do external features help How do external features help organisms to survive?organisms to survive?

Structural Structural adaptations adaptations due to due to climate, climate, locomotion, locomotion, protection, protection, acquiring acquiring foodfood

How does behavior help organisms How does behavior help organisms to survive?to survive?

HibernationHibernation MigrationMigration Protection from Protection from

enemiesenemies Protection of the Protection of the

youngyoung Mating ritualsMating rituals Food gathering Food gathering

techniquestechniques

How does physiology help How does physiology help organisms survive?organisms survive?

Relationship of body part to how it helps Relationship of body part to how it helps the individual survive in its environmentthe individual survive in its environment

Example:Example: Animals: shape of beaks, fish gills, shape of Animals: shape of beaks, fish gills, shape of

feetfeet Plants: spikes on cactus, broad leaves in Plants: spikes on cactus, broad leaves in

rainforestrainforest

What adaptations enable birds to What adaptations enable birds to fly?fly?

Hollow bonesHollow bones FeathersFeathers Stream line bodyStream line body

How would birds be different if their How would birds be different if their bones make-up were similar to bones make-up were similar to

humans?humans? Bones would be solid, denseBones would be solid, dense

Unable to get off of ground due to weightUnable to get off of ground due to weight

What enables fish to live What enables fish to live underwater?underwater?

Gills filtrate water for oxygenGills filtrate water for oxygen Streamline bodyStreamline body Mucus on skin to repel waterMucus on skin to repel water Fins for locomotionFins for locomotion

What are the 5 main niches in any What are the 5 main niches in any habitat?habitat?

Producer (plants)Producer (plants)Predators (Hunter)Predators (Hunter)Prey (Hunted)Prey (Hunted)Consumer (eats other for energy)Consumer (eats other for energy)Decomposer (breaks down dead Decomposer (breaks down dead

organisms)organisms)

What are the main factors in any What are the main factors in any microhabitat / small ecosystem?microhabitat / small ecosystem?

Type of habitatType of habitatClimate (temperature and rainfall)Climate (temperature and rainfall)Type of AnimalsType of AnimalsType of plantsType of plants

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