Biology-Evolution - Four Billion Year War

15. How long ago did amphibians crawl out of the swamps?

370 million years ago

18. Reptiles evolved from ________________.

Amphibians

16. Amphibians are confined to what kind of places?

Damp places

3. What is the name of the 4 billion year war?

Evolution

5. What drives evolution?

Evolution is driven by the near perfect way DNA is copied.

14. What did fish fins turn into, so the vertebrate could go on land?

Fish fins became more like legs.

11. What dominated the ancient seas?

Invertebrates

24. Life's struggle continues to shape what?

It continues to shape everything that lives.

10. Anomalocaris was the first what?

It was the first large predator.

20. What creatures lived in the shadows of the dinosaurs?

Mammals

6. Mixing genes from two successful African hunting dogs parents will help the pups do what?

Mixing genes will let them grow up strong and give them the chance to continue their family line.

21. Mammals evolved from reptiles - what turned into hair?

Scales

7. On Primeval Earth, what gaseous molecule (that we need to breathe) was missing?

The gaseous molecule that was missing was oxygen.

4. The winners carry what through time?

The winners carry their family line forward through time.

Break-throughs in evolution have helped to explain what?

These breakthroughs helped explain how animal life arose, how it fought to survive in the ancient past and still struggles today and how battles shape survival.

9. Single-celled organisms used oxygen to do what?

They thrived on oxygen. They used oxygen to burn up plant food.

2. Which species was more successful - the turtles or the dinosaurs (troodonts)?

Turtles (dinosaurs perished)

19. What allows reptiles to breed in dry places?

Waterproof eggs

17. What are the most numerous insects of all?

ants

22. Birds are really what?

dinosaurs

12. One line of vertebrates evolved into _______.

fish

8. Stromatolites are living ________________, that are ______ feet high.

fossils three

13. What part of Earth did not have any life on it - it lay empty?

land

23. Does evolution ever stop? (Yes/No)

no