D: Biodiversity - Diversity Of Animals

Question 1

What are vertebrates

Answer 1

Animals with backbones

Question 2

What are invertebrates

Answer 2

Animals without backbones

Question 3

What are distinguishing characteristics

Answer 3

Features that make a group or individual different form another group or individual

Question 4

What are the 2 different groups animals are classified into

Answer 4

Vertebrates and invertebrates

Question 5

Invertebrates can have ✏️ bodies or ✏️ bodies

Answer 5

Soft

Hard

Question 6

What are the 5 groups of vertebrates

Answer 6

Fish
Amphibians 
Reptiles 
Birds 
Mammals

Question 7

What is the latin word for water

Answer 7

Aqua

Question 8

What are the distinguishing characteristics of fish

Answer 8

Fish are aquatic vertebrates (live in water) 
Cold blooded
Skin is covered in scales
Fins for swimming 
Breathe with gills
Lay eggs that must be in water

Question 9

What are the distinguishing characteristics of amphibians

Answer 9

Live on land but have to return to water to reproduce
Frogs, toads and salamanders = examples
Cold-blooded
Moist skin, no hair, scales or feathers
Lay eggs in water
Eggs hatch into larvae called tadpoles which breathe with gills
Adults develop lungs and can live outside water coz they breathe air
Webbed feet

Question 10

What are the distinguishing characteristics of reptiles

Answer 10

Live on land or in water 
Lizards and snakes = eg on land
Turtles and crocodiles = eg in water
Cold blooded 
Skin has scales, no hair or feathers 
Lay eggs with tough waterproof shells on dry land even if lives in water
Lungs for breathing

Question 11

What are the distinguishing characteristics of birds

Answer 11

Warm blooded
Skin is covered in feathers 
Bones are lightweight and hollow
2 front limbs = wings
Most use wings to fly but some cant fly - eg penguins and ostriches 
Lay eggs with hard waterproof shell
Lungs for breathing

Question 12

What are the distinguishing characteristics of mammals

Answer 12

Live on land or in water
Humans, dogs, elephants, rabbits, bats = eg land
Whales, dolphins, seals = eg water
Warm blooded 
Hair or fur 
Bears = thick fur 
Humans = very little hair
Sweat glands in their skin
Born alive 
Lungs for breathing

Question 13

What are the 2 groups of invertebrates

Answer 13

Arthropods

Molluscs

Question 14

What is the 1 common characteristic of an invertebrate

Answer 14

They don’t have a backbone

And classified into phyla according to other distinguishing characteristics

Question 15

Give 9 examples of arthropods

Answer 15

Locust
Fly
Spider
Crab
Tick
Scorpion 
Butterflies 
Lobster
Ant

Question 16

What are the distinguishing characteristics of arthropods

Answer 16

Have hard outer covering (exoskeleton)
Jointed legs ( legs made of different parts and a connecting joint)
Bodies are divided into 3 main parts= abdomen, thorax and head
Body parts are divided into segments 
Main classes:
-insects (locusts and flies)
- arachnids (spiders and ticks)
- crustaceans (crabs and crayfish)

Question 17

What does antennae mean

Answer 17

Feelers used for sensing the environment

Question 18

What does cephalothorax mean

Answer 18

A body part that is a head and a thorax combined into one

Question 19

What are the distinguishing characteristics of the main classes of arthropods

Answer 19

Main difference is the number of body divisions, the number of legs and the number of antennae

INSECTS- Praying Mantis

• abdomen
• thorax
• head
• 1 pair of antennae
• 6 legs

ARACHNIDS- Spider

• no antennae
• cephalothorax
• 8 legs
• abdomen

CRUSTACEANS- Crayfish

• 2 pairs of antennae
• abdomen
• 10 legs
• cephalothorax

Question 20

What are the distinguishing characteristics of molluscs

Answer 20

Have soft bodies covered by a shell
Bodies divided into head, muscular foot and visceral hump
No legs, move with muscular foot
Snails, oysters and mussels = eg
Tentacles for sensing