7th Grade Ecology Pre-quiz

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7th Grade Ecology Pre-quiz - Quiz

Take this quiz to find out what you already know about ecology :-)


Questions and Answers
  • 1. 

    Ecology is studied by scientists called ecologists. What is ecology the study of?

    • A.

      Volcanoes, rocks & earthquakes

    • B.

      Stars, planets & space

    • C.

      Animal & plant homes

    • D.

      Weather & climate

    Correct Answer
    C. Animal & plant homes
    Explanation
    Ecology is the study of the relationships between living organisms and their environment. It focuses on understanding how animals and plants interact with each other and with their habitats. This includes studying their homes, such as the different ecosystems and habitats they live in, and how they adapt and respond to environmental changes.

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  • 2. 

    An animal has special characteristics that help it to survive in its home. We call these special characteristics adaptations.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    The statement is true because adaptations are indeed special characteristics that help animals survive in their specific habitats. These adaptations can include physical features, behaviors, or physiological traits that enable an animal to find food, avoid predators, or withstand the environmental conditions of its home. By possessing these adaptations, animals are better equipped to survive and thrive in their respective habitats.

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  • 3. 

    Petri the snapping turtle is best adapted for which habitat?

    • A.

      Desert

    • B.

      Wetland

    • C.

      Forest

    • D.

      Ocean

    Correct Answer
    B. Wetland
    Explanation
    Petri the snapping turtle is best adapted for the wetland habitat. Wetlands are characterized by the presence of water, which is crucial for the survival of snapping turtles. These turtles are well-suited to the wetland environment as they have a hard shell to protect themselves and strong jaws to catch prey. Additionally, wetlands provide abundant food sources and shelter for these turtles. Therefore, the wetland habitat is the most suitable and advantageous for Petri the snapping turtle's survival and well-being.

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  • 4. 

    What adaptations does Petri have for surviving in his habitat? Check all that apply.

    • A.

      Bright colors

    • B.

      Webbed feet

    • C.

      Sharp claws

    • D.

      Strong jaws

    • E.

      Good ears

    • F.

      Hard shell

    Correct Answer(s)
    B. Webbed feet
    C. Sharp claws
    D. Strong jaws
    F. Hard shell
    Explanation
    Petri has webbed feet, which suggests that he is adapted for swimming or living in aquatic environments. This adaptation allows him to move efficiently through water. Additionally, Petri has sharp claws, which could be used for hunting, climbing, or defending himself. His strong jaws indicate that he has a powerful bite, which could be advantageous for catching and consuming prey. Lastly, Petri has a hard shell, which likely provides protection against predators or environmental hazards.

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  • 5. 

    Petri is a carnivore. This means he eats only __________________.

    Correct Answer(s)
    meat
    Explanation
    Petri being a carnivore indicates that he consumes only meat as his primary source of food. Carnivores are animals that have adapted to a diet consisting mainly or exclusively of animal tissue. They possess specific anatomical and physiological characteristics that enable them to hunt, capture, and digest meat efficiently. Therefore, Petri's eating habits are limited to meat only.

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  • 6. 

    A snapping turtle is just one ___________________, or type of turtle.

    • A.

      Organism

    • B.

      Species

    • C.

      Population

    • D.

      Community

    Correct Answer
    B. Species
    Explanation
    The correct answer is "species" because a snapping turtle is a specific type of turtle that belongs to a distinct group with common characteristics. In biology, species refers to a group of organisms that can interbreed and produce fertile offspring. Therefore, a snapping turtle being a species implies that it is a unique and distinct type of turtle within the broader category of turtles.

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  • 7. 

    Biology is the study of life. Check all of the following answers that are biotic things in Petri's wetland habitat.

    • A.

      Pond water

    • B.

      Worms

    • C.

      Duckweed

    • D.

      Rocks

    • E.

      Temperature

    • F.

      Fish

    Correct Answer(s)
    B. Worms
    C. Duckweed
    F. Fish
    Explanation
    The correct answer includes worms, duckweed, and fish. Biotic things refer to living organisms or components of an ecosystem. Worms, duckweed, and fish are all living organisms that can be found in Petri's wetland habitat. Rocks and temperature, on the other hand, are abiotic factors as they are non-living components of the habitat.

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  • 8. 

    A food chain starts with one animal eating another animal.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    The statement "A food chain starts with one animal eating another animal" is false. A food chain actually starts with a producer, such as a plant, which is then eaten by a primary consumer, which is then eaten by a secondary consumer, and so on. The chain begins with the transfer of energy from the sun to plants through photosynthesis, and then continues as energy is passed on from one organism to another through consumption.

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  • 9. 

    An ecosystem is made up of

    • A.

      All living and nonliving things in an area.

    • B.

      Only plants and animals.

    • C.

      Only animals and their food.

    • D.

      Only nonliving things like water, rocks, and air.

    Correct Answer
    A. All living and nonliving things in an area.
    Explanation
    An ecosystem refers to the interactions between living organisms and their physical environment. It includes both living (plants, animals, microorganisms) and nonliving (water, rocks, air) components. These components work together to create a balanced and self-sustaining system. Therefore, the correct answer is "all living and nonliving things in an area."

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  • 10. 

    Plants get energy from the ______________ and use it to make food through photosynthesis.

    Correct Answer
    sun
    Explanation
    Plants obtain energy from the sun and utilize it to carry out the process of photosynthesis, which allows them to produce food. Through photosynthesis, plants convert sunlight, carbon dioxide, and water into glucose and oxygen. This process is crucial for their growth and survival as it provides them with the necessary energy to carry out various metabolic activities. Therefore, the sun acts as the primary source of energy for plants, enabling them to synthesize their own food.

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  • 11. 

    What is the plant's job in a food web?

    • A.

      Consumer

    • B.

      Decomposer

    • C.

      Scavenger

    • D.

      Producer

    Correct Answer
    D. Producer
    Explanation
    The plant's job in a food web is to act as a producer. Producers are organisms that can make their own food through photosynthesis. They convert sunlight, water, and carbon dioxide into energy-rich molecules like glucose. This energy is then passed on to other organisms in the food web through consumption. Plants play a crucial role in providing energy and nutrients to other organisms, making them essential for the overall functioning of the ecosystem.

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  • 12. 

    Which biome would have the warmest temperatures?

    • A.

      Prairie grassland

    • B.

      Desert

    • C.

      Tundra

    • D.

      Boreal forest (pine trees)

    Correct Answer
    B. Desert
    Explanation
    Deserts would have the warmest temperatures among the given options. Deserts are characterized by extremely high temperatures during the day due to the lack of vegetation and moisture to provide shade and evaporative cooling. The absence of cloud cover and the high reflectivity of sand also contribute to the intense heat. In contrast, prairie grasslands, tundra, and boreal forests have cooler temperatures due to factors such as latitude, altitude, and the presence of vegetation that can moderate temperatures.

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  • 13. 

    The rainforest has a warm and humid climate. Where on Earth are rainforests located?

    • A.

      Near the north and south poles

    • B.

      Along the shores of oceans

    • C.

      Near the equator

    • D.

      Only in Africa

    Correct Answer
    C. Near the equator
    Explanation
    Rainforests are located near the equator because they require a warm and humid climate to thrive. The equatorial regions receive abundant sunlight and consistent rainfall throughout the year, creating the perfect conditions for the growth of diverse plant and animal species. This is why rainforests are predominantly found in countries near the equator, such as Brazil, Indonesia, and the Democratic Republic of Congo.

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  • 14. 

    Check all that have the job of decomposing matter.

    • A.

      Bacteria

    • B.

      Snakes

    • C.

      Toads

    • D.

      Bats

    • E.

      Mushrooms

    Correct Answer(s)
    A. Bacteria
    E. Mushrooms
    Explanation
    Bacteria and mushrooms have the job of decomposing matter. Bacteria are microorganisms that break down organic matter into simpler substances, playing a crucial role in the decomposition process. Mushrooms, specifically fungi, also play a significant role in decomposition by breaking down dead organic material and recycling nutrients back into the ecosystem. Snakes, toads, and bats do not have the primary job of decomposing matter, although they may indirectly contribute to decomposition by feeding on dead organisms.

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  • 15. 

    Which food chain shows the correct flow of energy?

    • A.

      Sun --> algae --> turtle --> bacteria --> minnow

    • B.

      Sun --> bacteria --> turtle --> minnow --> algae

    • C.

      Sun --> algae --> minnow --> turtle --> bacteria

    • D.

      Bacteria --> turtle --> sun --> minnow --> algae

    Correct Answer
    C. Sun --> algae --> minnow --> turtle --> bacteria
    Explanation
    The correct flow of energy in a food chain starts with the sun, which provides energy to the algae through photosynthesis. The energy is then transferred from the algae to the minnow, as the minnow consumes the algae. The minnow is then consumed by the turtle, transferring the energy to the turtle. Finally, the energy is transferred to the bacteria through decomposition of the turtle's remains. This flow of energy from the sun to algae to minnow to turtle to bacteria is the correct sequence in a food chain.

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