1. Review Topics 1-2

2. Rules
Groups of Four
Everyone must participate
Everyone must be honest

3. Question 1 Identify each characteristic as being one of the following.
A structural adaptation
A behavioral adaptation
______ A dog barks at an unfamiliar noise during the night.
______ A Venus fly trap plant catches flies
______ A porcupine uses its quills to ward off predators
______ An owl can completely turn its head.
______ Geese fly in a V-shaped flock
______ Arctic rabbits change color with seasons

4. Question 2 A B
A struggle for resources between organisms of different species
Diversity Index
A species with a very narrow niche
Generalists
The word that describes both the role and the habitat of an organism
Behavioral Adaptations
The many differences between individuals of the same or different species
Competition
A mathematical expression of the different kinds of organisms in an area
Symbiotic
A direct or close association between two different species
Variation
The habits and actions of a species that have been developed over time
Niche
Populations of these organisms tend to be high, although there is not usually very much diversity in the kinds of these organisms
Specialist

5. Question 3
You are calculating the diversity index of two different grassland areas. The results are as follows:
Calculate the diversity index of EACH region.
Region
Run Information #1 #2

6. Question 4
Explain the difference between a broad niche and a narrow niche. State one advantage and one disadvantage of each.

7. Question 5
Give an example of each symbiotic relationship: commensalism, mutualism, and parasitism. Explain each relationship.

8. Question 6
Explain the TWO parts required when discussing an organisms niche.

9. Question 7 An adaptation is best defined as
a characteristic that increase an organism’s chances of survival and reproduction
a structural or behavioral difference found within a group of organisms
an organism’s stage of development
the evolution of one species into similar yet separate species

10. Question 8
The difference in the beaks of the finches shown above likely arose as a result of differences in the
species of birds on each island
temperatures on each island
predators preying on the finches on each island
sources of food available on each island

11. Question 9
Which of the following is an example of variation within a species?
An ostrich cannot fly, but an eagle can.
Birds lay eggs, while mammals give birth to live young.
Both penguins and seals can swim.
A litter of kittens includes three grey kittens and one that is black and white.

12. Question 10
DOES THE FOLLOWING SCENARIO HAVE A HIGH OR LOW DIVERSITY INDEX?
Walking over to a friend’s house you count fifty poplar trees in a row

13. Question 11
DOES THE FOLLOWING SCENARIO HAVE A HIGH OR LOW DIVERSITY INDEX?
Your friend’s mother walks you through her garden to see five types of flowers. There is lots of each type and each type is bunched in their own area in the garden.

14. Question 12
A person is infected with tapeworms from eating raw pork. The tapeworm absorbs nutrients from the small intestine and the person becomes ill. This is known as:
A) Mutualism
B) Commensalism
C) Parasitism

15. Question 13
The yucca moth lays eggs in the ovary of the yucca flower. At the same time, the moth pollinates the flower. This is known as:
A) Mutualism
B) Commensalism
C) Parasitism