Adaptation to environment 1 Adaptation to environment Adaptation

Adaptation to environment. 1

Adaptation to environment • Adaptation is the development of special characteristics by plants or animals to suit a particular environment. 2

Adaptation to environment Animals and plants evolve to suit their environment to increase their chance of survival. 3

Adaptation to environment • How are the following species adapted to their environment. Group work • Think about – the environment they live. – What features allow them to survive in that environment. 4

Adaptation to environment Polar Bear Environment – Extreme cold, snow and ice. Adaptations? 5

Adaptation to environment Environment – desert and arid (dry). Camel Adaptations? 6

Adaptation to environment Fish Environment – water Adaptations? 7

Adaptation to environment How are Flounders specially adapted to their environment. Environment – water. Adaptations? 8

Adaptation to environment How are Sharks specially adapted to their environment. Environment – water. Adaptations? 9

Adaptation to environment Cactus Environment – desert and arid (dry). Adaptations? 10

Adaptation to environment How are weeds specially adapted to their environment. Environment – Wet, pathways. Adaptations? 11

Adaptation to environment Polar Bear Environment – Extreme cold, snow and ice. Adaptations • Feed their young (better chance of survival) • Small ears (reduce heat loss) • Thick layer of fur (warmth) • White fur (camouflage) • Wide feet (for support on soft snow) • Sharp teeth (eat prey) 12

Adaptation to environment Environment – desert and arid (dry). Camel Adaptations • Can survive up to 8 days without water. • Broad, soft feet (support on soft sand) • Humps contain fat (energy store) • Diet (thorny plants, seeds, dry leaves, bones) • Hair (short, thick and dense – protects skin from sunburn) • Long eyelashes (protect eyes from sand) 13

Adaptation to environment Fish Environment – water Adaptations • Gills (remove oxygen from water and release carbon dioxide from the blood) • Streamlined shape (reduces drag when swimming) • Mucus covered scales (reduces drag when swimming) • Large number eggs produced (increase survival as many eaten by predators. 14

Adaptation to environment How are Flounders specially adapted to their environment. Environment – water. Adaptations • Flat (aid ability to hide from predators) • Colour (camouflage) 15

Adaptation to environment How are Sharks specially adapted to their environment. Environment – water. Adaptations • Sharp teeth (to rip prey apart). • Can survive for a long time without food. • Smell blood from 5 miles away • Sense electrical activity from movement of fish 16

Adaptation to environment Cactus Environment – desert and arid (dry). Adaptations • Small leaves, spikes (to reduce water loss through transpiration). • Waxy cuticle on leaves (to reduce water loss through transpiration). • Extensive roots (to absorb water from deep underground). 17

Adaptation to environment How are weeds specially adapted to their environment. Environment – Wet, pathways. Adaptations • Strong roots (to prevent removal) • Flat leaves (to prevent removal) 18

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Fossil Birds • Birds evolved from reptiles and share a number of their characteristics: – Elongate and mobile neck – Hollow pneumatic bones – Skull and neck joined by single occipital condyle – Inter-tarsal ankle joint – Epidermal scales

Ostrich 2. 7 m tall Bee Hummingbird 5. 7 cm long

Bee Hummingbird 5. 7 cm long Ostrich 2. 7 m tall

Ostrich 2. 7 m tall Bee Hummingbird 5. 7 cm long