How does the carbon cycle contribute to ecosystem sustainability?

By recycling essential elements

In the Carbon cycle, how is carbon recycled through living organisms?

By direct consumption of plants by animals

By decomposition of dead organisms

By evaporation from water bodies

How do producers, consumers, and decomposers interact to maintain balance in an ecosystem?

Producers provide energy for consumers, consumers feed on producers, and decomposers recycle nutrients

Producers consume consumers, consumers recycle nutrients, and decomposers provide energy

Producers break down dead matter, consumers provide energy for decomposers, and decomposers feed on producers

Producers recycle nutrients, consumers break down dead matter, and decomposers provide energy for other organisms

What are producers in an ecosystem?

Organisms that make their own food through photosynthesis

Organisms that consume other organisms for energy

Organisms that break down dead matter into simpler substances

Organisms that recycle nutrients back into the ecosystem

What is the primary role of producers in an ecosystem?

Providing energy for other organisms

What defines consumers in an ecosystem?

Organisms that consume other organisms for energy

Organisms that provide energy for other organisms

Organisms that break down dead matter

Organisms that make their own food

What is the role of decomposers in an ecosystem?

Breaking down dead matter into simpler substances

Recycling nutrients back into the ecosystem

Providing energy for other organisms

Consuming other organisms for energy

Why are decomposers crucial in an ecosystem?

To recycle nutrients back into the ecosystem

To consume other organisms for energy

To break down dead matter into simpler substances

To provide energy for other organisms

How do producers, consumers, and decomposers interact in an ecosystem?

Producers provide energy for consumers, consumers feed on producers, and decomposers recycle nutrients

Producers recycle nutrients, consumers break down dead matter, and decomposers provide energy for other organisms

Producers consume consumers, consumers recycle nutrients, and decomposers provide energy

Producers break down dead matter, consumers provide energy for decomposers, and decomposers feed on producers

What is the significance of the relationships among producers, consumers, and decomposers in an ecosystem?

To maintain balance in the ecosystem

What is the primary function of food in the body's growth and repair processes?

To supply building materials for tissues and organs

To provide energy for physical activities

Why is ATP important in the body's functioning and cellular activities?

To provide energy for cellular activities

What are the two main purposes of food in the body?

To provide energy and maintain body temperature

To enhance physical endurance and strength

To improve cognitive function and memory

To support growth and repair processes

What nutrients are essential for powering the body's activities and supporting growth and repair?

Carbohydrates, fats, and proteins

What is the role of ATP in the body?

To provide energy for cellular activities

How does the analogy of food as fuel relate to the body's functioning?

Food powers the body's activities like gasoline in a car

Food guides the body's decision-making processes

Food acts as a shield against external threats

Food provides emotional comfort to the body

Why is it important to eat a balanced diet rich in nutrients?

To support energy needs and growth and repair processes

To reduce the body's need for sleep

To prevent muscle soreness after exercise

To increase the body's resistance to cold temperatures

How do scientists investigate the effects of changing abiotic factors in an ecosystem?

By studying the impact of sunlight on plants

By measuring the temperature of the soil

By analyzing the interaction between living organisms

By observing the behavior of animals in an ecosystem

What role do abiotic factors play in influencing the growth of living organisms in an ecosystem?

To influence the growth of living organisms

To control the behavior of animals

To regulate the population of predators

What is the role of abiotic factors in an ecosystem?

To influence the growth of living organisms

To regulate the population of predators

To control the behavior of animals

What are biotic factors in an ecosystem?

Living organisms like plants and animals

Inorganic substances like rocks and minerals

Non-living components like sunlight and water

How can an invasive species disrupt an ecosystem?

By outcompeting native species for resources

By promoting ecosystem stability

How can introducing an invasive species affect biodiversity?

It can cause a decline in biodiversity

It can lead to an increase in biodiversity

It can have no impact on biodiversity

What happens when abiotic factors change in an ecosystem?

Ripple effects throughout the ecosystem

Only specific species are affected

How do changing abiotic factors affect an ecosystem?

They can cause ripple effects throughout the ecosystem

They have no impact on the ecosystem

They can lead to an increase in biodiversity

They only affect specific species

How do scientists investigate the effects of changing biotic factors?

By analyzing the interaction between living organisms

By observing the behavior of animals in an ecosystem

By studying the impact of sunlight on plants

By measuring the temperature of the soil

Why do scientists study how biotic and abiotic factors interact in ecosystems?

To gain insights into ecosystem functions

To simplify the complexity of ecosystems

To complicate the understanding of ecosystems

To ignore environmental changes

Unit 4 Ecosystem Review

Authored by Angela Meekey

Science

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39 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following best defines photosynthesis?

The process by which water evaporates and forms clouds

The process by which plants convert light energy into chemical energy

The process by which animals obtain oxygen from the atmosphere

The process by which rocks and minerals are weathered over time

Tags

NGSS.MS-LS1-6

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How can scientists visualize the flow of energy within food webs?

Using trophic pyramids

Using weather patterns

Using biogeochemical cycles

Using mathematical equations

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the correct order of trophic levels in a food web?

Primary Consumers, Secondary Consumers, Producers, Carnivores

Secondary Consumers, Producers, Primary Consumers, Herbivores

Producers, Primary Consumers, Secondary Consumers, Carnivores

Producers, Secondary Consumers, Primary Consumers, Herbivores

Tags

NGSS.MS-LS2-3

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do models help scientists understand ecosystems?

By visualizing the flow of energy within food webs

By controlling animal populations

By altering natural habitats

By predicting future weather patterns

Tags

NGSS.MS-LS2-3

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following represents the correct order of trophic levels in a food web?

Primary Consumers, Secondary Consumers, Producers, Carnivores

Producers, Primary Consumers, Secondary Consumers, Carnivores

Producers, Secondary Consumers, Primary Consumers, Herbivores

Secondary Consumers, Producers, Primary Consumers, Herbivores

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does energy flow within food webs as organisms are consumed by predators?

Energy flows in a circular pattern

Energy flows from predators to prey

Energy flows from one trophic level to the next

Energy flows from prey to predators

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the role of nutrient cycling in ecosystems?

To regulate predator-prey relationships

To control climate patterns

To maintain the flow of energy within food webs

To recycle essential elements for living organisms

Tags

NGSS.MS-LS2-3

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Unit 4 Ecosystem Review

Which of the following best defines photosynthesis?

How can scientists visualize the flow of energy within food webs?

What is the correct order of trophic levels in a food web?

How do models help scientists understand ecosystems?

Which of the following represents the correct order of trophic levels in a food web?

How does energy flow within food webs as organisms are consumed by predators?

What is the role of nutrient cycling in ecosystems?

How does the carbon cycle contribute to ecosystem sustainability?

Which model illustrates the cycling of nutrients in ecosystems?

In the Carbon cycle, how is carbon recycled through living organisms?

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