Chapter 1.2 Vertebrates

Question 1

Types of vertebrates.

Answer 1

1. Fish
2. Amphibians
3. Reptiles
4. Birds
5. Mammals

Question 2

Common characteristics of FISH.

Answer 2

1. Poikilothermic
2. Covered in hard and slimy scales
3. Have fins and a tail
4. Breathe through gills
5. Lay eggs
6. Undergo external fertilisation

Question 3

Definition of poikilotherm.

Answer 3

An organism that has a body temperature that changes according to its surrounding temperature.

Question 4

Definition of homeotherm.

Answer 4

An animal with a body temperature that is constant and free from the influence of its surrounding temperature.

Question 5

Examples of fish (just in case)

Answer 5

1. Clown fish
2. Grouper
3. Eel

Question 6

Common characteristics of amphibians.

Answer 6

1. Poikilothermic
2. Live on land and in water
3. Covered with moist skin
4. Young amphibians breathe through gills
5. Adult amphibians breathe using their lungs and
   moist skin
6. Produce jelly-like eggs with out a shell
7. Undergo external fertilisation

Question 7

Examples of amphibians (just in case)

Answer 7

1. Frog
2. Toad
3. Salamander

Question 8

Common characteristics of reptiles.

Answer 8

1. Poikilothermic
2. Produce eggs with a shell
3. Breathe through lungs
4. Have scales and hard skin
5. Undergo external fertilisation

Question 9

Examples of reptiles (just in case)

Answer 9

1. Kingfisher
2. Owl
3. Duck

Question 10

Common characteristics of mammals.

Answer 10

1. Homeothermic
2. Covered with fur or hair
3. Breathe through lungs
4. Undergo internal fertilisation
5. Give birth and nurse their young

Question 11

Examples of mammals (just in case)

Answer 11

1. Giraffe
2. Elephant
3. Bat
4. Lion