AP Biology - Unit 8

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AP Biology - Unit 8

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Mycorrhizae are fungi with a relationship with the roots of many plants. The fungi increase the surface area of the roots and help to provide additional water and nutrients to the plants, while the plants provide the fungi with sugars and other organic molecules. What relationship is this? *

1 point

a. Predator

b. Mutualism

c. Commensalism

d. Parasitism

Many interacting factors (both biotic and abiotic) help to shape the structure of a community. They don’t include: *

1 point

a. The climate patterns of the habitat.

b. The gender of the organism

c. The heterogeneity of the environment.

d. The frequency of disturbances in the habitat.

Which of the following encompasses all the others? *

1 point

a. Ecosystem

b. Individual

c. Population

d. Community

The two species, Paramecium aurelia and Paramecium caudatum, which do not prey upon each other, fighting to grow in the same test tube is an example of which of the following? *

1 point

a. Competition

b. Commensalism

c. Predation

d. Exclusion

Which one of these are not chemical cycles? *

1 point

a. The Water Cycle

b. The Nitrogen Cycle

c. The Oxygen Cycle

d. The Carbon Cycle

What is the order of the food chain? *

1 point

a. Producers, Primary Consumers, Secondary Consumers, Tertiary Consumers

b. Primary Consumers, Secondary consumers, Tertiary Consumers, Producers

c. Tertiary consumers, Primary Consumers, Secondary Consumers, Producers

d. Producers, Tertiary consumers, Primary Consumers, Secondary Consumers

How much energy do the consumers transfer to their next part in the food chain? *

1 point

a. 20 %

b. 30 %

c. 50 %

d. 10 %

The limit to the number of individuals that can occupy one area at one time is the _______? *

1 point

a. Carrying Capacity

b. Maximum population

c. Limit factor

d. Size

There are 300 birds in an area. 20 emigrate, 15 immigrate, 10 are born and 10 die. How many are left? *

1 point

a. 250

b. 295

c. 190

d. 300

_______________ recycles nutrients back to the soil to nourish plants, there would be no food chains and no life. *

1 point

a. Decomposers

b. Parasites

c. Predators

d. Producers

Photosynthesis and respiration are parts of ___________ *

1 point

a. Carbon cycle

b. Oxygen Cycle

c. Water cycle

d. Nitrogen cycle

_______________ is the interaction in which an organism eats parts of the plants *

1 point

a. Predation

b. Carnivore

c. Herbivore

d. Omnivore

In a national park, the reintroduction of wolves has decreased the deer and elk population. Studying this dynamic is an example of __________ - level ecology *

1 point

a. Ecosystem

b. Community

c. Population

d. Individual

Who is the producer? *

1 point

a. Vulture

b. Coyote

c. Hawk

d. Grass

Animals from different species eat the same food for nutrition. Their relationship in this community is: *

1 point

a. They are friends and share food equally

b. They are competitors

c. They will adapt to different foods

d. Be friends but die

There are 8000 lions in a 500 km area. The population density is: *

1 point

a. 16 per unit km

b. 20 per uit km

c. 1 per unit km

d. 50 per unit km

The process of sequential building of the ecosystem called __________________ *

1 point

a. Ecological succession

b. Germination

c. Decomposing

d. Growth

If the primary consumer has 5000 kJ of energy, how much energy will the secondary consumer have? *

1 point

a. 50 kJ

b. 500 kJ

c. 50000 kJ

d. 5000 kJ

Which curve shows organisms with low death rates in young and middle age and high mortality in old age? *

Source: https://humanwildlifeecology.wordpress.com/home/curbing-population-growth-effective-population-management/

1 point

a. Type 1

b. Type II

c. Type III

d. None of them

Earthquakes, storms, and naturally occurring fires and floods are: *

1 point

a. Density dependent factors

b. Density independent factors

c. Carrying Capacity

d. Factors

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