Chapter 3 EcosySTEMs For Fourth Graders

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Chapter 3 Ecosystems For Fourth Graders - Quiz

Test for fourth-graders. This is what you need to get an A in a science test on ecosystems.


Questions and Answers
  • 1. 

    Has parts that work together for a purpose.  Example: desert, grassland, tundra, forest and rain forest all work together to form the ecosystem.

    • A.

      Habitat

    • B.

      Niche

    • C.

      System

    Correct Answer
    C. System
    Explanation
    The given correct answer is "system." A system refers to a group of interconnected parts that work together for a specific purpose. In the example provided, the different types of ecosystems, such as desert, grassland, tundra, forest, and rainforest, all work together to form a larger ecological system. Each ecosystem has its own set of components, including living organisms, climate, soil, and water, which interact and depend on each other for their survival. Therefore, the concept of a system accurately describes the relationship between these different ecosystems.

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  • 2. 

    Name 6 parts of the ecosystem that are non-living.

    • A.

      Air, water, desert, habitat soil, landforms

    • B.

      Landforms, soil, climate, sunlight, water, air

    • C.

      Air, water, sunlight, climate, soil, ice

    Correct Answer
    B. Landforms, soil, climate, sunlight, water, air
    Explanation
    The answer "landforms, soil, climate, sunlight, water, air" is correct because these are all non-living components of an ecosystem. Landforms refer to the physical features of the Earth's surface, such as mountains, valleys, and plains. Soil is the mixture of minerals, organic matter, and organisms that support plant growth. Climate refers to the long-term weather patterns in an area. Sunlight provides energy for photosynthesis and is essential for the survival of plants. Water is necessary for the existence of life and is involved in various ecological processes. Air, specifically the composition of gases in the atmosphere, is vital for respiration and other metabolic activities of organisms.

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  • 3. 

    Name 5 kinds of LIVING environments in an ecosystem

    • A.

      Desert, grassland, tundra, forest, soil

    • B.

      Rain forest, forest, tundra, grassland, desert

    • C.

      Habitat, niche, tundra, grassland, desert

    Correct Answer
    B. Rain forest, forest, tundra, grassland, desert
    Explanation
    The answer rain forest, forest, tundra, grassland, desert provides a list of five different kinds of living environments in an ecosystem. These environments include the rain forest, which is a dense forest with high rainfall; forest, which is a general term for a large area covered with trees; tundra, which is a cold, treeless biome with low-growing vegetation; grassland, which is an area dominated by grasses and other herbaceous plants; and desert, which is a dry and arid region with little to no vegetation.

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  • 4. 

    What is the definition of habitat?

    • A.

      The role or job an organism has

    • B.

      Members of one species that live within an area of an ecosystem.

    • C.

      The area or place where an organism lives

    Correct Answer
    C. The area or place where an organism lives
    Explanation
    The correct answer is "the area or place where an organism lives." This definition refers to the specific location or environment where an organism naturally resides and finds the necessary resources for survival, such as food, water, and shelter. It encompasses the physical characteristics, climate, and other factors that support the organism's existence and determine its interactions with other species in the ecosystem.

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  • 5. 

    Wings would be useful for an animal in its niche if it eats nectar from plants - what is this called?

    • A.

      Population

    • B.

      Niche

    • C.

      Adaptations

    Correct Answer
    C. Adaptations
    Explanation
    Adaptations are beneficial traits or characteristics that enable an animal to survive and thrive in its specific environment or niche. In this case, wings would be considered an adaptation for an animal that eats nectar from plants. Wings would allow the animal to fly and easily access the nectar from flowers, increasing its chances of survival and reproductive success.

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  • 6. 

    All the members of one species that live WITHIN AN AREA of an ecosystem is what?

    • A.

      Population

    • B.

      Ecosystem

    • C.

      Food web

    Correct Answer
    A. Population
    Explanation
    A population refers to all the members of a particular species that live within a specific area of an ecosystem. It represents a group of organisms of the same species that interact with each other and share the same habitat and resources. The concept of a population is important in understanding the dynamics and characteristics of a species within an ecosystem.

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  • 7. 

    A system of OVERLAPPING FOOD CHAINS in which the flow of energy branches out into MANY DIRECTIONS is called what?

    • A.

      Food web

    • B.

      Sunlight

    • C.

      Habitat

    Correct Answer
    A. Food web
    Explanation
    A system of overlapping food chains in which the flow of energy branches out into many directions is called a food web. In a food web, multiple interconnected food chains depict the complex relationships between different organisms in an ecosystem. It shows how energy is transferred from one organism to another through feeding relationships, illustrating the interdependence and interconnectedness of various species within a habitat.

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  • 8. 

    What is the main energy source for LIVE ON EARTH that affects both the living and the nonliving parts of the ecosystem?

    • A.

      Electricity

    • B.

      Soil

    • C.

      Sunlight

    Correct Answer
    C. Sunlight
    Explanation
    Sunlight is the main energy source for life on Earth as it provides the energy needed for photosynthesis in plants, which is the basis of the food chain. Sunlight also affects the nonliving parts of the ecosystem by driving weather patterns, influencing temperature, and providing light for various biological processes. Without sunlight, life as we know it would not be possible.

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  • 9. 

    Niche is the specific role or job an organism has.  Such as....

    • A.

      The type of food it eats

    • B.

      How it gets its food

    • C.

      Which other species use the organism as food

    • D.

      What kind of house it lives in

    • E.

      A, B & C

    Correct Answer
    E. A, B & C
    Explanation
    The correct answer is A, B & C. Niche refers to the specific role or job an organism has in its ecosystem. This includes the type of food it eats, how it obtains its food, and which other species use the organism as food. The answer A, B & C encompasses all these aspects of an organism's niche.

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  • 10. 

    The process by which energy moves from one type of LIVING THING to another.  It goes in ONE DIRECTION and NUTRIENTS AND MINERALS TRAVEL THROUGHOUT.

    • A.

      Grocery Store

    • B.

      Food Chain

    • C.

      Grasslands

    Correct Answer
    B. Food Chain
    Explanation
    A food chain is a process in which energy is transferred from one living thing to another. It is a linear sequence of organisms, where each organism is eaten by the next organism in the chain. The energy flows in one direction, starting from the producers (such as plants) and moving up to the consumers (such as animals). Along with energy, nutrients and minerals also travel throughout the food chain, as organisms consume and break down the nutrients from the previous organism. This allows for the transfer of energy and nutrients within an ecosystem. The given answer, "Food Chain," correctly describes the process of energy transfer between living things in a one-directional manner.

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  • 11. 

    In the FOOD CHAIN, a  PRODUCER is?

    • A.

      Plant that makes its own food

    • B.

      A plant that makes movies

    • C.

      A plant that eats living things

    Correct Answer
    A. Plant that makes its own food
    Explanation
    A producer in the food chain refers to a plant that is capable of producing its own food through the process of photosynthesis. These plants use sunlight, water, and carbon dioxide to synthesize glucose, which serves as their source of energy. This process allows them to convert light energy into chemical energy, making them self-sufficient in terms of food production.

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  • 12. 

    In the FOOD CHAIN, a CONSUMER is?

    • A.

      A living thing that likes to shop a lot.

    • B.

      A living thing that eats other living things because it can't make its own food.

    • C.

      A living thing that eats its own toes

    Correct Answer
    B. A living thing that eats other living things because it can't make its own food.
    Explanation
    A consumer in the food chain is a living thing that eats other living things because it can't make its own food. This is because consumers, unlike producers, are unable to produce their own food through photosynthesis or other means. Instead, they rely on consuming other organisms to obtain the energy and nutrients they need for survival.

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  • 13. 

    Herbavores eat what? (Example, rabbits and grasshoppers)

    • A.

      Eats squirrels

    • B.

      Eats toads and plants

    • C.

      Only plants

    Correct Answer
    C. Only plants
    Explanation
    The correct answer is "only plants" because herbivores are animals that primarily consume plant material. They do not eat other animals or insects like squirrels or toads. Examples of herbivores include rabbits and grasshoppers, which feed exclusively on plants for their nutrition.

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  • 14. 

    Carnivores eat what?  (like lions)

    • A.

      Grass sandwiches

    • B.

      Only meat

    • C.

      Dead plants

    Correct Answer
    B. Only meat
    Explanation
    Carnivores, like lions, eat only meat as their primary source of nutrition. They have adapted physically and behaviorally to consume and digest animal flesh efficiently. Their teeth and jaws are designed for tearing and chewing meat, and their digestive systems are specialized for processing and absorbing nutrients from animal tissue. Consuming only meat provides carnivores with the necessary proteins, fats, and other nutrients they require for survival and energy.

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  • 15. 

    What eats only dead plants and animals?  (you know, dead things they find lying around)

    • A.

      Scavengers

    • B.

      Carnivores

    • C.

      Carnivals

    Correct Answer
    A. Scavengers
    Explanation
    Scavengers are organisms that feed on dead plants and animals. They play an important role in ecosystems by consuming and breaking down decaying organic matter. Unlike carnivores, which primarily consume live prey, scavengers rely on dead things they find lying around for their food source. Therefore, scavengers are the correct answer to the question.

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  • 16. 

    Humans are considered _______________ because they eat both plants and animals.

    • A.

      Consumers

    • B.

      Food chain

    • C.

      Omnivores

    Correct Answer
    C. Omnivores
    Explanation
    The term "omnivores" refers to organisms that have the ability to consume both plants and animals as part of their diet. In this context, humans are considered omnivores because they have a diverse diet that includes both plant-based foods and animal-based foods. As omnivores, humans are able to obtain nutrients from a wide range of sources, making them adaptable to different environments and food availability.

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  • 17. 

    Flies and worms are ___________________ because they eat the remains of dead plants and animals.  They help dead things "break down" into minerals.

    • A.

      Herbivores

    • B.

      Decomposers

    • C.

      Perfume makers

    Correct Answer
    B. Decomposers
    Explanation
    Flies and worms are decomposers because they eat the remains of dead plants and animals. They help dead things "break down" into minerals. Decomposers play a crucial role in the ecosystem by breaking down organic matter and recycling nutrients back into the soil. They contribute to the decomposition process, which is essential for the nutrient cycle and the overall health of the environment.

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  • 18. 

    All animals need __________ and __________ to move through the food chain.

    • A.

      Cereal and milk

    • B.

      Hats and scarves

    • C.

      Vitamins and minerals

    Correct Answer
    C. Vitamins and minerals
    Explanation
    Vitamins and minerals are essential nutrients that animals need to maintain their health and function properly. They play a crucial role in various bodily processes, including metabolism, growth, and immunity. Animals obtain these nutrients by consuming plants or other animals in the food chain. Cereal and milk, as well as hats and scarves, are not relevant to the movement of animals through the food chain.

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  • 19. 

    Decaying organisms put ____________ back into the soil.

    • A.

      Soap

    • B.

      Hair

    • C.

      Minerals

    • D.

      Candy

    Correct Answer
    C. Minerals
    Explanation
    Decaying organisms put minerals back into the soil. When organisms decompose, their organic matter breaks down and releases nutrients, such as minerals, into the soil. These minerals are essential for plant growth and play a crucial role in maintaining soil fertility.

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  • 20. 

    What word describes how things are DIFFERENT in nature?

    • A.

      University

    • B.

      Diversity

    • C.

      Universal city

    Correct Answer
    B. Diversity
    Explanation
    The word "diversity" describes how things are different in nature. It refers to the variety or range of different things, ideas, or characteristics. In this context, it suggests that there is a wide range of differences in the natural world. "University" and "universal city" do not convey the same meaning and are not related to the concept of differences in nature.

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  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Mar 09, 2010
    Quiz Created by
    Breagha1
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