Questions+80-95+(per+3)

__Invasive Species and Owls Mid-Term Review__

1. What is an invasive species and a proper example in the United States? a. a non native species typically has negative effects on envirmonment. ex. Norway Maple b. a native species that usually brings harm to the envirmonment. ex. Africanized Honey Bee c. a non native species typically has negative effects on envirmonment. ex. Barn Owl d. A & C

2. How does the zebra mussel in the Great Lakes cause big problems to intake pipes, ships, and factories? a. Their great individual size causes blockage. b. Their thumb nail size allows them to stack up to 70 thousand per square feet causing economical damage. c. A& B d. None of the above

3. All of the following are invasive speicies in the U.S. except: a. Beaver b. Zebra Mussel c. Python d. None of the above e. All of the above

4. Approximatley how much does the U.S. spend on condensing invasive species? a. 140 million b. 200 billion c. 140 billion d. 200 million

5. The following invasive species are always harmful, except: a. Africanized Honey Bee b. Asian Carp c. Ring Neck Phesant d. B & C

6. What makes an invasive species successful? a. Stronger Preditors b. Better Competitors c. They're prettier. d. They have better adaptation skills. e. A, B, and D f. None of the above.

7. What is owl vomit called? a. Colbus b. Bolus c. Puke Ball d. None of the Above

8. What makes up a barn owl's diet? a. Rat b. Mouse c. Birds d. Mr. Hakim e. A, B, and C

9. What shape does an owl's claw make when grabbing its prey? a. K b. H c. Y d. N

10. What kind of ears does an owl have? a. Symmetrical b. Hornlike c. Asymmetrical d. Owls do not have ears. e. B and C

11. How much better is an owl's eye site than a humans at locating small objects in low light? a. 50-100 times better b. It is not better. c. 20- 45 times better d.75-110 times better

12. How many species of owls are there and how many are in PA? a. 150 in total, and 8 in PA b. 253 in total and 6 in PA c. 200 total, 8 in PA d. None of the Above

13. Why aren't owl eggs laid at the same time? a. If there is enough food it ensures that only one chick survives b. If there is not enough food it ensures that the oldest chick will survive c. if there is enough food all the chicks survies d. A and C e. C and B f. All the above

Essays: 1. List and explain the three reasons why an owl is better adapted to hunt during the night.

2. Explain the invasive species you researched in your wikispace. Why is it so successful? What werer the damages or positive effects caused by it?

3. What is alleopathy? Give an example and explain what it does.

4.What are three facts about an owls eyesight?