Lecture animal adaptation

15
BIODIVERSITY EFT 1023 1

Transcript of Lecture animal adaptation

Page 1: Lecture animal adaptation

1

BIODIVERSITY EFT 1023

Page 2: Lecture animal adaptation

2

ANIMAL ADAPTATION1.Introduction2.Types of adaptation3.Why adaptation is

important?

Page 3: Lecture animal adaptation

3

ANIMAL ADAPTATION cont.4. Feeding behavior5. Gas exchange6. Movements and locomotion7. Body temperature regulation8. Camouflage9. Migration10. Hibernation

Page 4: Lecture animal adaptation

4

Introduction

Adaptation is a condition where animals naturally modified or change their behavior or;

their physical characters to adjust with the nature surrounding

Page 5: Lecture animal adaptation

5

Types of adaptation

Adaptations can be divided into 2 differenttypes:• Animal’s action (behavioral)• Physical characteristic of the animal

Page 6: Lecture animal adaptation

6

The arts of adaptation

• Movements and locomotion• Feeding behavior• Gas exchange• Body temperature regulation• Camouflage• Mimicry• Migration• Hibernation• Predator-prey

Page 7: Lecture animal adaptation

7

Movement and locomotion 1

a. Bird (flight):– Wing (to fly & strong)– Bone– Aerodynamic structure– Lay egg (reduce weight)– Feather /plumul (not easily wet)

Page 8: Lecture animal adaptation

8

Movement and locomotion

Fish (swim)• Slender body• Fin and caudal fin

• Dessert snake (hot surface)

Page 9: Lecture animal adaptation

9

Feeding behavior 1

• Animals are adapted to what they eat in their natural habitat

• Their behavior is adapted to the ecosystem they belongs to

Page 10: Lecture animal adaptation

10

Feeding behavior 2

• Herbivores• Carnivores• Omnivores• Insectivores• Frugivores

Page 11: Lecture animal adaptation

11

Feeding behavior 3

• Mouth part• Jaws/dental• Digestion systems

Page 12: Lecture animal adaptation

12

Camouflage

• Colour or shape in animal’s body covering help it blend with its environment

Page 13: Lecture animal adaptation

13

Mimicry

Harmless animals look like harmful

Page 14: Lecture animal adaptation

14

Hibernation

• Conserve energy → deep sleep• Body temperature drop, heart beat slow• Before winter, hibernate animals (bear, skunk,

chipmunk, et) will consume a lot of food and stored as fat.

• Some animal stay in the burrow and some stay in the mud and they become dormant.

Page 15: Lecture animal adaptation

15

Why adaptation is important?

1. Adaptation allows animals to adjust themselves and survive in their natural habitat

2. Adaptation help animal to maximize their species survival in their environmental habitat

3. Adaptation assist animals to move, survive from predator, catch prey or find food, find mate and eat

4. Successful adaptation allow animals to live and survive long enough to reproduce and produce offspring