1. Dichotomous keys use multiple steps which compare _______?

2. Dichotomous keys use multiple steps which compare _______?
Visible Traits

3. There are two types of behavioral adaptations….what are they?

4. There are tow types of behavioral adaptations….what are they?
Learned (think of a pack of dogs)
Instinctual (think hibernation)

5. Large teeth in a shark or feathers on a bird are examples of____ adaptations.

6. Large teeth in a shark or feathers on a bird are examples of____ adaptations.
Structural

7. Large teeth in a shark or feathers on a bird are examples of____ adaptations.
Structural

8. What would be a trait of a small animal that spends its entire life in a cave in the dark?

9. What would be a trait of a small animal that spends its entire life in a cave in the dark?
-Poorly developed vision
-Lack of pigment
-Highly developed sense organs like antenna.

10. Why would finches need to develop different shapes for their beaks?

11. Why would finches need to develop different shapes for their beaks?
Their beaks are adapted to the type of food they eat (bugs, seeds, etc)

12. How could a small mammal adapt to a cold environment (besides hibernation)?

13. How could a small mammal adapt to a cold environment (besides hibernation)?
They could grow thick long fur that would keep them toasty in the cold weather.

14. How could a small mammal adapt to a cold environment (besides hibernation)?
They could grow thick long fur that would keep them toasty in the cold weather.

15. How could a plant with flowers attract insects for pollination?

16. How could a plant with flowers attract insects for pollination?
Bright colors and strong smells

17. How is a cactus adapted to survive in a hot, dry desert climate?

18. How is a cactus adapted to survive in a hot, dry desert climate?
Cactus are able to store water to last through droughts. They also have spines to keep animals form chewing on them.

19. What type of adaptations allowed these marine iguanas to swim in the water to eat alga, and cling to rocks withstanding waves?

20. What type of adaptation allowed these marine iguanas to swim in the water to eat alga, and cling to rocks withstanding waves?
Natural Selection!

21. What type of adaptation allowed these marine iguanas to swim in the water to eat alga, and cling to rocks withstanding waves?
Natural Selection!

22. What type of adaptation allowed these marine iguanas to swim in the water to eat alga, and cling to rocks withstanding waves?
Natural Selection!

23. What is it called when people breed animals (like dogs) to show specific traits or qualities?

24. What is it called when people breed animals (like dogs) to show specific traits or qualities?
Selective breeding (which is NOT natural selection!)

25. You have light and dark colored moths
You have light and dark colored moths. The trees are becoming dark colored because of pollution. Which moth is more likely to survive?

26. You have light and dark colored moths
You have light and dark colored moths. The trees are becoming dark colored because of pollution. Which moth is more likely to survive? -Dark colored moths because the trees are covered in suit (black dust)

27. Describe the saying “survival of the fittest”

28. Describe the saying “survival of the fittest”
Animals with stronger traits have a easier time getting food, mates, and shelter. In turn they get to live longer and reproduce more. The “strong” traits get passed down while “weak” traits eventually fade away.

29. What is a mutation within natural selection? Is it a good or bad thing?

30. What is a mutation within natural selection? Is it a good or bad thing?
Mutations occur randomly and could potentially be an advantage for an animal (think long neck of a giraffe) or a huge disadvantage for an animal (

31. What do scientists use to help them determine classification of organisms?

32. What do scientists use to help them determine classification of organisms?
Dichotomous keys

33. Why do organisms change over time?

34. Why do organisms change over time?
The environment changes over time and organisms need change to survive.