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Adaptations for Survival: Water and Land Environments

This lesson explores the fascinating adaptations plants and animals possess to thrive in aquatic and terrestrial environments. Aquatic organisms like fish and sea otters have specialized structures for movement, oxygen extraction, and temperature regulation, while land animals have developed features such as strong limbs, skin adaptations, and hard-shelled eggs to retain water and support their bodies. Understanding these adaptations highlights the crucial ways living beings interact with their environments to fulfill their basic needs for survival, food, and reproduction.

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Adaptations for Survival: Water and Land Environments

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  1. Lesson 2. What are someAdaptationsfor Living in Water and onLand? November, 2013 Mrs. Giselle Aguilar

  2. AdaptationsforWater • Plants and animalsmuchorall of their time in waterhave a variety of adaptationsforsurviving in anaquaticenvironment. • Manyaquaticanimalssuch as fish, octopuses, and divingbirdshaveadaptationsthatenablethemtomovequickly in water. Fish, clams, and sea slugshavegillstoextractoxygenfromthewater.

  3. Aquaticplantshaveadaptationssuch as floats and broad, flat frondsthathelpthem capture themaximumamount of sunlight. • Thebasicneedsanimals living in waterhave are thesame as other living thingssuch as: findfood, avoidbeingeaten, attract mates, protectyoung, and survive in itsenvironment.

  4. Examples of AnimalswithAdaptationsfor Living in Water • Sea ottershavepowerfullungs, thefrontpaws can group and pry open shelfish. Has a thick, waterprooffurthatkeepsthe sea otterwarm and dry.

  5. This sea slug has a gill-likeorgan thattakes in oxygenfromwater and getsrid of carbondioxidefromitsbody. Theclamgetsoxygenfrom waterthatflowsoveritsgills.

  6. Jet Propulsion Anoctopustakes in water and removesoxygenfromit. Thenit sendsthewaterout of itsbody through a short funnel. Fishhavegillstoabsorboxygen fromthewater and release carbondioxideintowater.

  7. Barracudas have a slik • body, a slenderbody, • a strongtail fin, and • skin thatsecrets • mucus.

  8. Classwork • What are thebasicneeds of an animal thatlives in water? • How do fishbreatheunderwater? • Nametwoadaptationsthatenablethe barracuda toswimswiftlythroughthewater.

  9. AdaptationsforLand • Animalsonlandfacechallengesnotfacedbyorganismsthatlive in thewater. Theymustget and retainwater, extractoxygenfromthe air, and supporttheirweight. • Landanimalshave a variety of adaptationsthatenablethemto movearound, includingjointedlegs and wings.

  10. Examples of AdaptationsonLand • Owlshavestrongwings. Theirspecialfeathersmake theswishingsoundmostbirds make as theyfly. This Adaptationhelpsowlshunt.

  11. Hard-shelledEggs Thehard-shelledeggs of birdshavetinyholes. Theholes are largeenoughforoxygentopassthrough, butthey are toosmallforwatertopassthougheasily. Thisadaptationspreventsthedevelopingbirdfromdryingout.

  12. Skin The skin thatcoversthedeer´sbody has manyfunctions. Itkeepsthedeer´sbodyfromdryingoutbyslowingwaterloss. Legs Thewhite-taileddeer has stronglegs. Bones and muscles are adaptations thatsupporttheweight of thedeer and helpitrun awayfromenemies.

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