Pioneer species are the first

organisms to live in previously uninhabited areas.

trees to grow in an area that has been disturbed

trees that replace the original trees after a forest fire

organisms to live in previously inhabited areas.

What are renewable resources?

resources that can replenish themselves over time

resources that are used faster than they form

resources that formed over millions of years

resources that exist only in rural areas

The following statements describe several human activities. All of these activities directly contribute to global warming and the greenhouse effect EXCEPT

Francis drives her car 30 miles to work every day, using 2 gallons of diesel fuel per day.

Jackson sprays his corn crops with a strong pesticide that remains in the environment for many years because animals cannot digest it.

Bruce raises 5,000 beef cattle per year. Each cow contributes about 10,000 liters of methane and carbon dioxide gas to the atmosphere.

Chuck works for a logging company that clears about 50,000 acres of rainforest per year so that farmers can grow crops

An example of a human activity that involves using sustainable practices and having a positive effect on the environment is the:

use of reforestation to control erosion

disruption of natural habitats through urbanization

exploitation of rare South American birds

uncontrolled hunting of endangered species of animals

Based on your answer to the previous question, which explanation best supports your prediction?

c. Snails and clams thrive in bodies of water with pH levels of 6.0 closer to neutral

Perch and frogs thrive in pH levels close to that of acid rain

Mayfly and bass thrive in pH levels above 5 and acid rain has a pH of 4.5.

Frogs and salamanders thrive in pH levels of 4.0 and 5.0

Pesticides, such as DDT, often have harmful effects on aquatic ecosystems. One harmful effect would be that these pesticides

Accumulate in animals and build up in toxic concentrations as they pass through the food chain

Eliminate most of the algae and plants in the food chain, causing animals to starve, at higher levels of the food chain.

Cause fish to become sterile and unable to lay eggs.

Cause algae and plants to overgrow and pollute the water when they die.

Global warming is due to increased Carbon Dioxide (CO2) a green gas that enters the atmosphere. Which two processes in the carbon cycle release Carbon Dioxide (CO2) into the atmosphere?

combustion (burning of fossil fuels)and respiration (cellular)

transpiration and respiration (cellular)

photosynthesis and respiration (cellular)

combustion (burning of fossil fuels) and photosynthesis

If caterpillars were removed from the food web, how would the snake population be affected? (See Figure 13.3 above)

The sparrow and frog population might die out from losing their food source. The snake population would also die out or have to find another food source.

The snake population would flourish.

Name one specialist shown in the diagram. How do you know it is a specialist? (See Figure 13.3 above)

hawk, it has more than one food source

Coffee County and the state of Georgia as a whole have experienced a drought over the last 14 months. Which of the answer choices below offers the BEST solution to reduce the impact of a drought in your area? Think about which statement makes sense...some of these we cannot do because we have to produce crops and products for industries.

Limit the amount of water that can be used per household and business each month.

Ban all residents, farmers and business owners from irrigating lawns and crops.

What is the meaning of the word “pioneer” in the term “pioneer species?

The specie that first colonized a disturbed area and alter the environment in ways that make it favorable to the colonization of other species

A specie that isn’t able take advantage of harsh physical conditions in environments where there is little competition

A specie that has inhabited an area of land for a very long time and has flourished the area rapidly

What would most likely occur over time if the burning and clearing of tropical rainforests stopped?

an increase in the amount of oxygen released into the atmosphere

a decrease in the biodiversity of species

an increase in the amount of atmospheric pollution produced

Which action would result in the most rainforest instability?

cutting down most of the trees for lumber

harvesting nuts from a few of the trees

removing one species of plant for medicine

A wildfire burned all of the vegetation off a field, and lichens and mosses were the first organisms to grow in the burned spot. Over time, grasses and shrubs grew where the lichens and mosses had been. Which of the following best describes why the grasses and shrubs were able to grow in the area?

The lichens and mosses made the field suitable for complex plants.

The lichens and mosses created a supply of water for complex plants.

The lichens and mosses manufactured the enzymes needed for complex plants.

The lichens and mosses were the first step in the food chain for complex plants.

How can invasive plant species harm ecosystems?

They often outcompete native plants

They increase the ecosystem's biodiversity.

How will deforestation affect the air quality in this watershed ecosystem?

The air quality will decline due to a decrease in the amount of carbon dioxide converted to oxygen.

The air quality will improve due to a decrease in the amount of oxygen converted to carbon dioxide.

The air quality will decline due to a decrease in the amount of oxygen converted to carbon dioxide.

The air quality will improve due to a decrease in the amount of carbon dioxide converted to oxygen.

Biology: Ecology

Authored by Benafshah Hutto

Science

9th - 12th Grade

NGSS covered

Used 20+ times

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69 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which phrase best describes biodiversity?

the number of individuals in an ecosystem

the amount of biomass in an ecosystem

the amount of available energy in an ecosystem

the number of species in an ecosystem

Tags

NGSS.MS-LS2-5

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The close living association and interaction between two species of organisms, regardless of the nature of the relationship, is known as

Commensalism

mutualism

symbiosis

competition

Tags

NGSS.MS-LS2-2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A population of lions live on a grassland in Africa. A population of zebra and a population of gazelle also live there. Together, these populations interact with one another. Which of these is the best description of a group of populations interacting together?

ecosystem biome

biome

community

cladosphere

Tags

NGSS.MS-LS2-2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An organism that has an unusually large effect on an ecosystem is called a(n)

keystone species

omnivore

biotic factor

heterotroph

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Zebras live on the savannas of Africa. A watering hole on the savanna would be a part of a zebra's

niche

biotic factor

abiotic factor

habitat

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a density-dependent limiting factor?

unusual weather

length of winter

human activities

competition

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following will increase the size of a population?

emigrantion and deaths

immigration and deaths

emigration and births

immigration and births

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Biology: Ecology

Which phrase best describes biodiversity?

The close living association and interaction between two species of organisms, regardless of the nature of the relationship, is known as

A population of lions live on a grassland in Africa. A population of zebra and a population of gazelle also live there. Together, these populations interact with one another. Which of these is the best description of a group of populations interacting together?

An organism that has an unusually large effect on an ecosystem is called a(n)

Zebras live on the savannas of Africa. A watering hole on the savanna would be a part of a zebra's

Which of the following is a density-dependent limiting factor?

Which of the following will increase the size of a population?

Pioneer species are the first

Which process is part of the hydrologic cycle?

Which organisms help convert gaseous nitrogen into ammonia in the nitrogen cycle?

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Popular Resources on Wayground

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