ANIMAL LIFE CYCLES

1. Life cycles:

1.-

• Animals that have no bacKbons are invertebrates.
• Most invertebrates are very small
• The biggest group of invertebrates is the arthropod
• 95% of the animal species in the world are invertebrates
• Animals that have a backbone are vertebrates

2.-  lnvertebrates

• small
• arthropods
• snail 
• sponge
• Flatworms
• threadworm

    Vertebrates

• frog
• Reptiles
• Mammals

3.-

carnrvores 8

invertebrates

herbivores 5

arthropods 6

omnivores 10

fertitization 2

males 4

reptiles 7

females 9

vertebrate 3

4.-

•  Why are people dangerous for animals?

Because we hunt all king of animals, we steal and contaminates their home.

• How long can a Gatapagos tortoise live for?

They can live 150 years

• How long does a mayfly usually live for?

They just live for a few hours

•  Do birds and reptiles give birth to baby animals?

No, they don't. They lay eggs

• How do mammats care for their babies?

They take care their babies with milk

4. Fish:

1- 

• water
• Cold-blooded
• They can't swim well
• The yolk bag

2-

1. seahorse
2. shark
3. tuna fish
4.  whale shark
5. stickleback
6. salmon

3-

1. true
2. false
3. true
4. true
5. false
6. true

4-

• hatch
• swim
• breed
• die

6. Reptiles:

1- 

1. tortoise     2.lizard    3. snake   4. cocodrile

2-

• lf a predator catches a lizard, lf a predator catches a lizard
• Monitor lizards fight, for a mate
• To find a mate, crocodite blow bubbles in the water
• When a snake grow, its old skin comes off.
• Alligators make a nest from mud and teave

3-

• cold-btooded
• scales
• its teg
• whiptail