Environmental Science: Ecosystems and Habitats
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Questions and Answers

Which of the following is an abiotic factor in an ecosystem?

  • Soil (correct)
  • Bacteria
  • Fish
  • Zebras

All ecosystems contain only one habitat.

False (B)

What is the role of producers in an ecosystem?

Producers create energy through photosynthesis, supporting herbivores and the entire food web.

A _____ is the natural home of organisms.

<p>habitat</p> Signup and view all the answers

Match the following relationships in an ecosystem:

<p>Producers = Create energy for the ecosystem Consumers = Depend on producers for food Predators = Control prey population Prey = Often serve as a food source for predators</p> Signup and view all the answers

What impact does the population of one species have on the population of other species?

<p>It can positively or negatively affect other species. (C)</p> Signup and view all the answers

A habitat contains many different ecosystems.

<p>False (B)</p> Signup and view all the answers

What phenomenon occurs when a species moves to a new area, leading to slowed growth?

<p>Lack of food, disease, or pollution</p> Signup and view all the answers

Each organism has its own _____ in the same habitat and feeds on different food.

<p>niche</p> Signup and view all the answers

Match the following scenarios to their effects on population growth:

<p>Rapid reproduction = Population growth increases Low death rate = Population growth increases Lack of food = Population growth slows Disease = Population growth slows</p> Signup and view all the answers

Flashcards

Habitat

The natural home of organisms that provides shelter, food, and water.

Biotic factors

Living things that are part of an ecosystem, including animals, plants, and microorganisms.

Interdependence of organisms

A balanced relationship where organisms depend on each other for survival, such as predator-prey relationships.

Ecosystem

The environment that supports life, made up of both living and non-living things.

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Abiotic factors

Non-living things that are part of an ecosystem, such as air, water, and soil.

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Population size

The number of individuals of a particular species living in a specific area.

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Disease spread in dense populations

When organisms live too close together, diseases or parasites can spread quickly.

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Niche

The specific role or function of an organism in an ecosystem, including its food source and how it interacts with other organisms.

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Study Notes

The Health of the Environment

  • An ecosystem is an environment that supports life and is made up of biotic and abiotic factors
  • Biotic factors are living things (animals, microorganisms, plants)
  • Abiotic factors are non-living things (air, water, soil, light)

Habitats

  • Habitats are the natural home of organisms
  • Ecosystems contain many different habitats
  • Habitats provide organisms with shelter, food, water and light
  • Example of a habitat: Lakes, African Savanna

Interdependence of Organisms

  • Organisms rely on each other to survive
  • This interdependence helps to maintain a balanced ecosystem
  • Producers and consumers
  • A balance between predators and prey is important to maintain healthy populations
  • When the number of prey decreases, the number of predators also decreases (due to lack of food).
  • When the number of predators decreases, the number of prey increases (not being eaten as much)
  • Light is necessary for photosynthesis in plants. Light travels in a straight line. Light gives out light.

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Description

Explore the intricate relationships within ecosystems in this quiz. Learn about biotic and abiotic factors, the importance of habitats, and the interdependence of organisms. Test your knowledge on how these elements contribute to maintaining a balanced environment.

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