1. Standard Grade Biology Inheritance Topic What is a Species?

2. 2 Inheritance By the end of this lesson you should be able to: Describe what a species is.

3. 3 What is a species? Animals and plants reproduce to ensure the of their species. If the organisms of a species did not then the species would become extinct survival reproduce survival reproduce extinct

4. 4 What is a species? There are many different varieties of dogs. How many can you think of? Since they can all breed together they are all classed as the same species!

5. 5 What is a species? Organisms belong to the same if they can to produce offspring. fertilespeciesreproduce species reproduce fertile

6. 6 What is a species? There are many different races of humans. How many can you think of? Since they can all breed together they are all classed as the same species!

7. 7 Horses & Donkeys- same species? Are a horse and donkey the same species?

8. 8 Horses & Donkeys- same species? Can they interbeed? What animal is produced? Is a mule fertile (i.e. can it produce offspring)? YES A MULE NO

9. 9 Horses & Donkeys- same species? Horses and donkeys are not the same species because…….

10. 10 Other examples- same species? Oak & Poplar trees are/are not the same species because……. Poplar Oak

11. 11 Other examples- same species? Blackbird & starling are/are not the same species because……. starling blackbird

12. 12 Other examples- same species? Dandelion & buttercup are/are not the same species because……. buttercup dandelion

13. 13 Inheritance By the end of this lesson you should be able to: Describe what a species is.