Ecology- Sucession, cycles and abiotic vs biotic Review

The end result of ecological succession is a stable ecosystem called a(n)

• A.land biome.

• B.aquatic biome.

• C. community.

• D.climax community.

. Which of the following is an example of secondary succession?

• A.lichens growing on rocks following a volcanic eruption

• B.grasses growing after a forest fire

• C. growth after a glacier receding

• D. non-native species introduced into a climax community

Which of these organisms would you most expect to find on a small island that formed as a result of a volcanic two years prior?

• A. pioneer species- climbing vines

• B.hardwood tree

• C.monkey

• D. pioneer species- lichen

How is primary succession different from secondary succession?

• Primary succession starts with soil.

• Secondary succession start with bare rock.

• Primary succession starts with bare rock

• Fire is an example of primary succession.

Which of the following describes how an abiotic factor can impact the population dynamics in an ecosystem?

• A. A parasite that invades a host can reproduce and cause a decline in the host species population.

• B. Organisms that compete for the same resources will keep each other from overpopulating.

• C. Predators will prevent herbivores from depleting the plants and other resources in an ecosystem.

• D. Seasonal variations in temperature can cause some of the individuals in a population to die.

Examples of Abiotic Factors include:

• Weather, birds, plants, and animals

• Rocks, reptiles, shrubs, trees, and grasses

• Weather, wind, rain, sunlight, and rocks

• Birds, plants, animals, reptiles, shrubs, trees, and grasses

Tags

NGSS.MS-LS2-3

Which of the following best

describes biodiversity

• A. a diverse Biology class

• B. variety of all life in an ecosystem

• C. a variety of plants

• D. a variety of animals

Tags

NGSS.MS-LS2-5

Natural disasters such as flooding and tornadoes are linked to ________________.

• primary
• secondary
• old field
• ecosystem

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS3-2

How do lichens contribute to primary succession?

• Lichens decompose organic matter from animals and plants
• Lichens begin to break down rock to form soil
• Lichens are nitrogen fixing bacteria
• Lichens convert carbohydrates into fossil fuels.

Tags

NGSS.MS-LS2-3

What is formed during primary succession that doesn't need to be formed during secondary succession?

• pioneer species
• soil
• climax community
• lichens