Welcome to your B7 Practice Questions 10.9 – Vertebrates & the origin of new species

1. 
What do all vertebrates have?

2. 

Fish have throughout their life.

3. 
The eggs of fish have no shells and are laid in water.

4. 

The larvae of amphibians are called .

5. 
What is metamorphosis?

6. 

Tadpoles have gills for gas exchange, but adult amphibians have .

7. 
Amphibians are vertebrates with scaly skin.

8. 

Reptiles lay eggs with but waterproof shells.

9. 
Which islands did Darwin study in 1835?

10. 

Today different species of finches live on the Galapagos Islands.

11. 
Living things produce more offspring than are needed to keep their species going.

12. 

Darwin called the constant competition between living things the "struggle for ".

13. 
What is a population?

14. 

When the genes of the mother and the father are mixed in sexual reproduction, this is called .

15. 
Which factors are necessary for new species to form?

16. 

The green woodpecker and the grey woodpecker can no longer reproduce with each other. Two new have formed.