Diversity Of Living Things - Chapter 2

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Diversity Of Living Things - Chapter 2 - Quiz

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Questions and Answers
  • 1. 

    In multicellular organisms, cells are ______________, meaning that they have specific functions

    • A.

      An organ system

    • B.

      Specialized

    • C.

      Genetic material

    • D.

      Simple

    Correct Answer
    B. Specialized
    Explanation
    In multicellular organisms, cells are specialized, meaning that they have specific functions. This specialization allows different cells to perform different tasks that are necessary for the overall functioning of the organism. Each type of specialized cell has a unique structure and function that contributes to the overall health and survival of the organism. This specialization is crucial for the proper functioning of organ systems, as each system requires different types of cells to carry out specific functions.

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  • 2. 

    An organized group of cells working together forms a(n) _________________-

    • A.

      Animal

    • B.

      Organ system

    • C.

      Organ

    • D.

      Tissue

    Correct Answer
    D. Tissue
    Explanation
    An organized group of cells working together forms a tissue. Tissues are groups of cells that have a similar structure and function, and they work together to perform specific tasks in the body. This is different from an organ system, which is a group of organs that work together to perform a specific function, and an organ, which is a structure made up of different tissues that work together. An animal is a broader term that refers to any living organism belonging to the kingdom Animalia.

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  • 3. 

    The heart is a(n) ______________ that uses more than one type of tissue to pump blood

    • A.

      Organ

    • B.

      Tissue

    • C.

      Adaptation

    • D.

      Consumer

    Correct Answer
    A. Organ
    Explanation
    The heart is classified as an organ because it is composed of multiple types of tissues working together to perform a specific function, which is pumping blood throughout the body. It consists of cardiac muscle tissue, connective tissue, and specialized conducting tissues. Each type of tissue has a different structure and function, but they all work together to ensure the heart's proper functioning. Therefore, the heart meets the criteria of being an organ.

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  • 4. 

    The color of a fox's fur is a(n) _____________ that increases a fox's chances of surviving long enough to reproduce

    • A.

      Organ

    • B.

      Tissue

    • C.

      Adaptation

    • D.

      Muscle

    Correct Answer
    C. Adaptation
    Explanation
    The color of a fox's fur is an adaptation that increases a fox's chances of surviving long enough to reproduce. This means that the color of the fur helps the fox blend into its environment, providing camouflage and making it harder for predators to spot the fox. This adaptation allows the fox to hunt more effectively and avoid being hunted itself, increasing its chances of survival and reproduction.

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  • 5. 

    Adaptations are the result of differences that can occur in __________________

    • A.

      Tissue

    • B.

      Genetic material

    • C.

      Asexual reproduction

    • D.

      Sexual reproduction

    Correct Answer
    B. Genetic material
    Explanation
    Adaptations are the result of differences that can occur in genetic material. Genetic material refers to the DNA or genetic code that is passed down from one generation to another. These differences can arise due to mutations or changes in the genetic material, which can lead to variations in traits and characteristics. These variations can then be selected for or against by natural selection, ultimately leading to the development of adaptations that enhance an organism's survival and reproductive success in its environment.

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  • 6. 

    Through the processes of ______________ , the genetic material of two oak trees comes together and produces new oak trees with genetic material from both parents

    • A.

      Sexual reproduction

    • B.

      Photosynthesis

    • C.

      Asexual reproduction

    • D.

      Cellular respiration

    Correct Answer
    A. Sexual reproduction
    Explanation
    Through the process of sexual reproduction, the genetic material of two oak trees comes together and combines to produce new oak trees with genetic material from both parents. This process involves the fusion of male and female reproductive cells, such as pollen and egg cells, which results in genetic variation and diversity among offspring. Unlike asexual reproduction, where offspring are genetically identical to the parent, sexual reproduction allows for the mixing and recombination of genetic material, leading to offspring with unique traits and characteristics.

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  • 7. 

    An organism can reproduce more quickly through _________________

    • A.

      Cellular respiration

    • B.

      Asexual reproduction

    • C.

      Sexual reproduction

    • D.

      Photosynthesis

    Correct Answer
    B. Asexual reproduction
    Explanation
    Asexual reproduction allows an organism to reproduce more quickly because it does not require the complex process of finding a mate and fertilization. In asexual reproduction, an organism can produce offspring that are genetically identical to itself, allowing for rapid population growth. This method of reproduction is common in simpler organisms such as bacteria, fungi, and some plants, where the ability to reproduce quickly is advantageous for survival and colonization of new environments.

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  • 8. 

    A plant captures energy from sunlight and converts it to chemical energy through the process of _______________

    • A.

      Hormones

    • B.

      Cellular respiration

    • C.

      Adaptation

    • D.

      Photosynthesis

    Correct Answer
    D. Photosynthesis
    Explanation
    Photosynthesis is the process by which a plant captures energy from sunlight and converts it into chemical energy. This process occurs in the chloroplasts of plant cells, where sunlight is absorbed by chlorophyll and used to convert carbon dioxide and water into glucose and oxygen. Hormones, cellular respiration, and adaptation are not directly involved in this specific process of capturing sunlight energy and converting it to chemical energy.

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  • 9. 

    Plants are ________________ that do not require an outside source of energy

    • A.

      Heterotrophs

    • B.

      Autotrophs

    • C.

      Decomposers

    • D.

      Starch

    Correct Answer
    B. Autotrophs
    Explanation
    Autotrophs are organisms that can produce their own energy through photosynthesis or other processes, without relying on an outside source of energy. They can convert sunlight or inorganic compounds into organic molecules, such as glucose, which they use as a source of energy. Unlike heterotrophs, which obtain energy by consuming other organisms, autotrophs are self-sufficient in terms of energy production. Decomposers, on the other hand, obtain energy by breaking down dead organic matter, while starch is a complex carbohydrate that serves as a storage form of energy in plants.

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  • 10. 

    Using water and carbon dioxide from the environment, plants produce ______________ during photosynthesis, which stores energy

    • A.

      Starch

    • B.

      Stems

    • C.

      Sugar

    • D.

      Gravity

    Correct Answer
    C. Sugar
    Explanation
    During photosynthesis, plants use water and carbon dioxide from the environment to produce sugar. Sugar, in the form of glucose, is a product of the light-dependent reactions and is then converted into starch for energy storage. This process allows plants to convert sunlight into chemical energy, which is essential for their growth and survival.

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  • 11. 

    Potatoes are tubers that store _________________, an energy-rich compound made of many sugars

    • A.

      Hormones

    • B.

      Photosynthesis

    • C.

      Sugar

    • D.

      Starch

    Correct Answer
    D. Starch
    Explanation
    Potatoes are tubers that store starch, an energy-rich compound made of many sugars. Starch serves as a storage form of energy in plants, including potatoes. It is synthesized through the process of photosynthesis and stored in various parts of the plant, including the tubers. Starch is a complex carbohydrate that can be broken down into sugars when needed by the plant for growth or energy production. Therefore, the correct answer is starch.

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  • 12. 

    Roots grow down and stems grow up because ______________ is a powerful stimulus

    • A.

      Starch

    • B.

      Gravity

    • C.

      Sugar

    • D.

      Dirt

    Correct Answer
    B. Gravity
    Explanation
    Gravity is a powerful stimulus that influences the growth direction of roots and stems. Gravity pulls objects towards the center of the Earth, causing roots to grow downwards and stems to grow upwards. This is known as gravitropism, a plant's response to gravity. The force of gravity helps guide the growth of plants, ensuring that roots are able to absorb water and nutrients from the soil while stems are able to reach towards sunlight for photosynthesis.

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  • 13. 

    A houseplant responds to light with the help of ________________ chemical substances produced in one part of the plant that travel to a different part to bring about a reaction,

    • A.

      Hormones

    • B.

      Gravity

    • C.

      Wind

    • D.

      Photosynthesis

    Correct Answer
    A. Hormones
    Explanation
    Plants respond to light through the use of hormones. These chemical substances are produced in one part of the plant and then travel to another part to bring about a reaction. Hormones play a crucial role in regulating plant growth, development, and responses to environmental stimuli such as light. They help coordinate various processes, including phototropism (bending towards or away from light), flowering, and leaf expansion. By using hormones, plants are able to effectively adapt and respond to changes in their surroundings.

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  • 14. 

    Animals are ________________ because they eat other organisms

    • A.

      Autotrophs

    • B.

      Heterotrophs

    • C.

      Decomposers

    • D.

      Bacteria

    Correct Answer
    B. Heterotrophs
    Explanation
    Heterotrophs are organisms that cannot produce their own food and rely on consuming other organisms for energy. Since the animals mentioned in the question eat other organisms, they are classified as heterotrophs. Autotrophs, on the other hand, are able to produce their own food through photosynthesis or chemosynthesis. Decomposers are organisms that break down dead organic matter, while bacteria is a broad category of microorganisms that can have various feeding mechanisms.

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  • 15. 

    Humans are _______________, meaning they eat both plants and animals

    • A.

      Carnivores

    • B.

      Decomposers

    • C.

      Omnivores

    • D.

      Herbivores

    Correct Answer
    C. Omnivores
    Explanation
    Humans are classified as omnivores because they have the ability to consume and digest both plants and animals. Unlike herbivores, who only eat plants, or carnivores, who solely eat meat, humans have a diverse diet that includes a variety of fruits, vegetables, grains, as well as meat and dairy products. This adaptability in their eating habits allows humans to obtain a wide range of nutrients and energy sources from different food groups, making them omnivores.

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  • 16. 

    Both plants and animals use the process of ________________ to break down sugars inside their cells and release energy

    • A.

      Photosynthesis

    • B.

      Digestion

    • C.

      Cellular respiration

    • D.

      Breathing

    Correct Answer
    C. Cellular respiration
    Explanation
    Both plants and animals use the process of cellular respiration to break down sugars inside their cells and release energy. Cellular respiration is the process by which cells convert glucose and oxygen into carbon dioxide, water, and ATP (adenosine triphosphate), which is the energy currency of the cell. This process occurs in the mitochondria of the cells and is essential for the survival and functioning of both plants and animals.

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  • 17. 

    A _______________ has behaviors that allow it to search for food and capture other organisms

    • A.

      Decomposer

    • B.

      Autotroph

    • C.

      Plant

    • D.

      Predator

    Correct Answer
    D. Predator
    Explanation
    A predator is an organism that has behaviors specifically designed to search for food and capture other organisms. Predators are typically higher up in the food chain and rely on hunting and consuming other organisms for sustenance. They have adaptations such as sharp teeth, claws, or speed to help them successfully catch and kill their prey. Predators play an important role in maintaining the balance of ecosystems by controlling the population of their prey species.

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  • 18. 

    A _________________ is any observable response to a stimulus

    • A.

      Behavior

    • B.

      Starch

    • C.

      Heterotroph

    • D.

      Sugar

    Correct Answer
    A. Behavior
    Explanation
    Behavior is the correct answer because it refers to any observable response to a stimulus. Behavior can include actions, reactions, or conduct exhibited by an organism in response to its environment or internal stimuli. It encompasses a wide range of actions and can be observed in various forms, such as movement, vocalizations, or even physiological changes.

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  • 19. 

    A mouse hunted by an owl as a source of food is the owl's ____________

    • A.

      Stimuli

    • B.

      Hormone

    • C.

      Prey

    • D.

      Heterotroph

    Correct Answer
    C. Prey
    Explanation
    The correct answer is "prey." In this context, a mouse hunted by an owl serves as a source of food for the owl. The term "prey" refers to an animal that is hunted and killed by another animal for food. In this case, the mouse is the prey of the owl.

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  • 20. 

    A fungus uses its hyphae to

    • A.

      Capture passing microorganisms

    • B.

      Digest and absorb surrounding materials

    • C.

      Send out spores to reproduce

    • D.

      Make photosynthesis happen

    Correct Answer
    B. Digest and absorb surrounding materials
    Explanation
    A fungus uses its hyphae to digest and absorb surrounding materials. Hyphae are thread-like structures that extend from the fungus and penetrate the surrounding environment. They secrete enzymes that break down organic matter into simpler compounds, which can then be absorbed by the fungus for nutrition. This process allows the fungus to obtain nutrients and energy from its environment, enabling its growth and survival.

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  • 21. 

    A mass of hyphae is called a 

    • A.

      Lichen

    • B.

      Mycelium

    • C.

      Mold

    • D.

      Tissue

    Correct Answer
    B. Mycelium
    Explanation
    A mass of hyphae is called mycelium. Hyphae are the thread-like structures that make up the body of a fungus. When these hyphae grow and intertwine, they form a network called mycelium. Mycelium is responsible for absorbing nutrients and anchoring the fungus in its environment. It plays a crucial role in the growth and reproduction of fungi. Lichen is a symbiotic organism composed of a fungus and an alga or cyanobacterium. Mold is a type of fungus that typically grows in multicellular filaments called hyphae. Tissue refers to a group of cells that work together to perform a specific function.

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  • 22. 

    Fungi reproduce with spores, which are single cells that can

    • A.

      Grow into new organisms

    • B.

      Be produced by a mycelium

    • C.

      Die unless planted quickly

    • D.

      Form organs in mushrooms

    Correct Answer
    A. Grow into new organisms
    Explanation
    Fungi reproduce with spores, which are single cells that have the ability to grow into new organisms. Spores are produced by a mycelium, which is a network of thread-like structures that make up the main body of a fungus. Once the spores are released, they can land in a suitable environment and germinate, giving rise to new fungal organisms. This is how fungi are able to spread and colonize different areas.

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  • 23. 

    Which of the following best describes yeasts?

    • A.

      Used as an antibiotic

    • B.

      Live together with lichen

    • C.

      Cannot be used in food

    • D.

      Are single-celled fungi

    Correct Answer
    D. Are single-celled fungi
    Explanation
    Yeasts are single-celled fungi. Fungi are a group of organisms that include molds, mushrooms, and yeasts. Yeasts are unicellular and reproduce asexually by budding. They are commonly used in baking and brewing industries due to their ability to ferment sugars and produce carbon dioxide and alcohol. Yeasts are also important in scientific research and have various applications in biotechnology.

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  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Nov 07, 2014
    Quiz Created by
    LaCee Small
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