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Adaptations for Movement. 1. What is Adaptation?. “...the way in which a species becomes better suited to living in its environment.”. 2. Movement. There are many different methods of movement Different habitats present different problems to movement that need to be overcome

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Presentation Transcript

What is Adaptation?

“...the way in which a species becomes better suited to living in its environment.”

2


Movement
Movement

  • There are many different methods of movement

  • Different habitats present different problems to movement that need to be overcome

  • Specialists vs. Generalists

Leopard seal – aquatic specialist

3

Good in water...

...cumbersome on land


Why move?

Common warthog fleeing from cheetah

American pika collecting food

4

Grass snake hatchlings dispersing

Radiated tortoises mating


Bornean orangutan

Snow leopard

Rainforest

River

Desert

Which habitat?

Polar

Ocean

Woodland

Mountains

Open grassland

Red squirrel

Nile crocodile

5


Bornean orangutan

Snow leopard

How are they adapted to move in their habitat?

Red squirrel

Nile crocodile

6


Adaptations to moving on land
Adaptations to moving on land

Movement on Land

  • Things to think about:

  • Speed vs. agility

    • Move to catch prey or to escape predators

    • Land may be open or have obstacles such as trees

  • Moving over different substrates e.g. sand, snow, mud

7


Cheetah

  • Open plains specialist

  • Adapted for speed


Spanish ibex
Spanish ibex

  • Rocky habitat specialist

  • Adapted for agility

9


Polar bear

  • Habitat generalist – can move over land and in water

  • Adapted to polar habitat

10


Legless movement

  • Movement without limbs

  • Adapted to overcome friction

11

Sidewinder

Leopard slug


Adaptations to arboreal movement
Adaptations to arboreal movement

Arboreal Movement

  • Things to think about:

  • Forested areas may not be continuous

  • Moving from one tree to another

  • Balance and grip


  • Habitat generalist – can move quickly through trees as well as

  • on the ground

  • Adapted to jump between branches

13


White handed gibbon
White-handed gibbon

  • Master of agility

  • Adapted to swing between branches

14


Sugar glider
Sugar glider

  • Arboreal specialist

  • Adapted to glide between trees

15


Adaptations to aquatic movement
Adaptations to aquatic movement

Aquatic Movement

  • Things to think about:

  • Friction – causing drag

  • Buoyancy – saline vs. freshwater

  • Currents and tides

16


Great white shark
Great white shark

  • Aquatic specialist

  • Adapted for speed

17


Spotted handfish
Spotted handfish

  • Aquatic specialist

  • Two different methods of moving through water

18


Adaptations to aerial movement
Adaptations to aerial movement

Aerial Movement

  • Things to think about:

  • Overcoming friction

  • Use of air currents

  • Hot air vs. cold air

19


Peregrine falcon

  • Common swift

  • Aerodynamic body shape

  • Adapted for speed

20


California condor
California condor

  • Aerial movement using thermals

  • Adapted for gliding

21


Wild Journey

  • - You will be given an ‘Adaptations for Movement’ worksheet.

  • - Write in the adaptations that each species has for moving through its natural habitat.

  • Once you have finished the worksheet, you can begin your ‘Wild Journey’

  • Get into groups of 5 or less

  • Each group will need:

    • 1x Wild Journey board game

    • 5x Species characters - use as your playing pieces on the board

    • 5x Species fact files - explains how your particular species is

    • adapted to moving through its natural habitat

    • 1x Rules sheet - read before beginning the game



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