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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
slide2

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

slide4

Why move?

Common warthog fleeing from cheetah

American pika collecting food

4

Grass snake hatchlings dispersing

Radiated tortoises mating

slide5

Bornean orangutan

Snow leopard

Rainforest

River

Desert

Which habitat?

Polar

Ocean

Woodland

Mountains

Open grassland

Red squirrel

Nile crocodile

5

slide6

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

slide8

Cheetah

  • Open plains specialist
  • Adapted for speed
spanish ibex
Spanish ibex
  • Rocky habitat specialist
  • Adapted for agility

9

slide10

Polar bear

  • Habitat generalist – can move over land and in water
  • Adapted to polar habitat

10

slide11

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
slide13
Fossa
  • 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

slide20

Peregrine falcon

  • Common swift
  • Aerodynamic body shape
  • Adapted for speed

20

california condor
California condor
  • Aerial movement using thermals
  • Adapted for gliding

21

slide22

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
slide23

If you land on your natural habitat square: roll the dice again.

  • If you land on your least suitable habitat square: miss a go!