Warm-Up What is an adaptation?. Plant and Animal Adaptations Plants and animals possess adaptations...

Warm-UpWarm-Up

What is an adaptation?What is an adaptation?

Plant and Animal Plant and Animal AdaptationsAdaptations

Plants and animals possess Plants and animals possess adaptations to survive in a wide adaptations to survive in a wide

variety of environmental conditionsvariety of environmental conditions

Adaptation – an Adaptation – an INHERITEDINHERITED characteristic that helps an characteristic that helps an

organism survive in its environment.organism survive in its environment.

Bright Sunlight/Hot WeatherBright Sunlight/Hot Weather

• What is a stomata?What is a stomata?

Bright Sunlight/Hot Weather Bright Sunlight/Hot Weather

Is it best for the plant to open Is it best for the plant to open its stomata during the day or its stomata during the day or at night?at night?


• AT NIGHT!AT NIGHT!

This way, plants lose less water This way, plants lose less water through transpiration if they through transpiration if they open open the stomata at night!the stomata at night!


• What is a waxy cuticle?What is a waxy cuticle?


Would it be good or bad for a Would it be good or bad for a plant to have a waxy cuticle on plant to have a waxy cuticle on its leaves?its leaves?


• GOOD!GOOD!

The The waxy cuticlewaxy cuticle helps keep water in the helps keep water in the leaves.leaves.


• Would it be better for a plant to have Would it be better for a plant to have smallsmall leaves or leaves or largelarge leaves? leaves?


• SMALL LEAVESSMALL LEAVES

This reduces the water lost through This reduces the water lost through transpiration.transpiration.

Bright Weather/Hot SunlightBright Weather/Hot Sunlight

•Is it best for an animal to be Is it best for an animal to be nocturnalnocturnal (asleep during the (asleep during the day and awake at night) OR day and awake at night) OR diurnaldiurnal (awake during the (awake during the day and asleep at night?day and asleep at night?


• Nocturnal behaviorNocturnal behavior

Animals are more active when it Animals are more active when it is cooler.is cooler.


• Is it good for animals to have Is it good for animals to have largelarge ears or ears or smallsmall ears? ears?


• Large ears with many blood vesselsLarge ears with many blood vessels

Animals can lose heat through their Animals can lose heat through their ears.ears.

Drought (limited water)Drought (limited water)

• Is it good to for a plant to have Is it good to for a plant to have small, narrow spreading small, narrow spreading rootsroots or or wide spreading wide spreading rootsroots??


•Wide spreading rootsWide spreading roots

They can collect water from They can collect water from a wider area.a wider area.


•Is it better for a plant to have Is it better for a plant to have deepdeep roots or roots or shallowshallow roots? roots?


•Deep rootsDeep roots

They can collect water stored They can collect water stored deep in the soildeep in the soil


•Would it be good for plants to Would it be good for plants to have the ability to store water?have the ability to store water?


• YES!- YES!- Ability to Ability to store waterstore water

They can take They can take on water during on water during rains and use it rains and use it when there is a when there is a drought.drought.


•Would it be good for animals to Would it be good for animals to have the ability to store water?have the ability to store water?


•YES!- YES!- Ability to Ability to store waterstore water

They can collect They can collect water when it is water when it is available and available and use it during a use it during a drought.drought.


•Would it be best for an animal to Would it be best for an animal to migratemigrate or or stay in one placestay in one place??


•MIGRATION!MIGRATION!

The animals move around from The animals move around from place to place to find water.place to place to find water.

Cold WeatherCold Weather

• Is it better for plants to have Is it better for plants to have narrow, needle-like leavesnarrow, needle-like leaves or or broad, large leavesbroad, large leaves??


• Narrow, needle-like leavesNarrow, needle-like leaves

These reduce water loss and help shed These reduce water loss and help shed snow quickly.snow quickly.


• Would it be good for trees to have Would it be good for trees to have thin bark?thin bark?


• NO!NO!

THICKTHICK bark bark protects the cells from protects the cells from freezing in cold temperatures.freezing in cold temperatures.


• Why is it good for plants to have the Why is it good for plants to have the ability to lose leavesability to lose leaves??


• This keeps the trees from losing This keeps the trees from losing water in the winter.water in the winter.


• What What sizesize do the plants tend to be do the plants tend to be and do they live and do they live alonealone or in or in clumpsclumps??


• Plants tend to be Plants tend to be SMALL and live in SMALL and live in clumps.clumps.

Staying close to the ground and to Staying close to the ground and to each other provides warmth.each other provides warmth.


• Do the leaves of plant tend to be Do the leaves of plant tend to be lightlight or or darkdark??


• Dark LeavesDark Leaves

This helps the plant absorb more solar This helps the plant absorb more solar heat.heat.


• Do animals hibernate in cold Do animals hibernate in cold weather?weather?


• Yes! - Yes! - HIBERNATIONHIBERNATION

Animals sleep during colder Animals sleep during colder months.months.


• Do animals Do animals migratemigrate or or staystay in the in the cold environment?cold environment?


• MigrationMigration

Animals move to warmer Animals move to warmer climates climates during cold weather.during cold weather.


• Why do animals have Why do animals have thick, furry thick, furry feet?feet?


• Provides insulation to keep animals Provides insulation to keep animals warm.warm.

PredationPredation

• Are spines a good thing for a plant to Are spines a good thing for a plant to have to avoid predators?have to avoid predators?

PredationPredation

• Of course!Of course!

SpinesSpines make the make the plant harder (and plant harder (and less desirable) to less desirable) to eat.eat.

PredationPredation

• Would Would poisonous leavespoisonous leaves or or edible edible leavesleaves be good for a plant to avoid be good for a plant to avoid predation?predation?

PredationPredation

• Poisonous leavesPoisonous leaves

This reduces the chance of This reduces the chance of predation.predation.

PredationPredation

• Would it be best to live in Would it be best to live in herdsherds or or live live alonealone??

PredationPredation

• Living in herdsLiving in herds

Predators have Predators have a harder time a harder time isolating a isolating a “victim”“victim”

PredationPredation

• Is it good for animals to have Is it good for animals to have poisonous skin?poisonous skin?

PredationPredation

• YES! – YES! – Poisonous SkinPoisonous Skin

Reduces the chance of predationReduces the chance of predation

Limited LightLimited Light

• Is it good for a plant to have Is it good for a plant to have broad broad leavesleaves or or narrow leaves narrow leaves??


• Broad leavesBroad leaves

Allow for collection of as much Allow for collection of as much light as light as possible (high surface area)possible (high surface area)


• Is it good for a plant to be a climbing Is it good for a plant to be a climbing vine?vine?


•YES- YES- Climbing Climbing VinesVines

Allows plants Allows plants to reach higher to reach higher to get light.to get light.

Nutrient Poor/ Shallow SoilNutrient Poor/ Shallow Soil

• Is it good for a plant to have Is it good for a plant to have deepdeep or or shallowshallow roots? roots?

Nutrient PoorNutrient Poor

• Shallow RootsShallow Roots

They can capture nutrients They can capture nutrients available at available at top level of soil (from top level of soil (from decaying matter)decaying matter)


• What is a prop What is a prop root?root?


• Is it good for a plant in a nutrient Is it good for a plant in a nutrient poor environment to have a prop poor environment to have a prop root?root?


• Yes- Yes- Prop RootsProp Roots

It provides extra support.It provides extra support.

WindWind

• Is it good to have Is it good to have soft, flexible soft, flexible stemsstems or or tough, rigid stemstough, rigid stems??

WindWind

• Soft, flexible stemsSoft, flexible stems

Allows the plant to bend without Allows the plant to bend without breaking.breaking.

WindWind

• Is it good to have Is it good to have narrow leavesnarrow leaves or or broad leavesbroad leaves??

WindWind

• Narrow LeavesNarrow Leaves

Reduces water lost through Reduces water lost through transpiration.transpiration.

Warm-Up What is an adaptation?. Plant and Animal Adaptations Plants and animals possess adaptations...

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