Living Organisms and Their Habitats
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Questions and Answers

Which of the following is a characteristic of living organisms that allows them to maintain a stable internal environment?

  • Respiration
  • Adaptation
  • Growth
  • Homeostasis (correct)

    • What is the primary purpose of respiration in living organisms?

  • To produce food
  • To release energy from food (correct)
  • To absorb nutrients
  • To eliminate waste products

    • What is the primary source of energy for animals?

  • Water
  • Sunlight
  • Photosynthesis
  • Plants or other animals (correct)

    • Which of the following organisms utilizes their skin for gas exchange?

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

    Which of the following is NOT a characteristic shared by all living things?

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

    Through which structures do plants primarily exchange gases with the environment?

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

    Why is food essential for living organisms?

    <p>All of the above.</p> Signup and view all the answers

    What is the primary source of energy used by plants to produce their own food during photosynthesis?

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

    Which of the following is NOT an example of a response to stimuli in living organisms?

    <p>A rock rolling down a hill</p> Signup and view all the answers

    Which of these is an example of how organisms grow?

    <p>A seed sprouting into a plant</p> Signup and view all the answers

    How do the flowers of some plants respond to changes in their surroundings?

    <p>They bloom only at night</p> Signup and view all the answers

    What is the process by which plants create their own food?

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

    Which of the following statements is TRUE about the relationship between respiration and photosynthesis in plants?

    <p>Photosynthesis consumes carbon dioxide and releases oxygen, while respiration consumes oxygen and releases carbon dioxide.</p> Signup and view all the answers

    Which of the following can be considered a living organism?

    <p>A tree</p> Signup and view all the answers

    How do animals obtain the energy they need to grow?

    <p>By consuming plants or other animals</p> Signup and view all the answers

    What is the difference between the growth of a plant and the growth of an animal?

    <p>Plants grow by adding new cells only at their tips, while animals grow throughout their bodies.</p> Signup and view all the answers

    What is one way plants excrete waste products?

    <p>They store waste products in their tissues.</p> Signup and view all the answers

    How do most plants reproduce?

    <p>Through seeds and parts other than seeds.</p> Signup and view all the answers

    Which of the following statements about plant movement is true?

    <p>Plants cannot move but can transport substances internally.</p> Signup and view all the answers

    Which structure in a potato helps in reproduction?

    <p>A bud on the potato.</p> Signup and view all the answers

    What do we call the process by which plants produce new individuals?

    <p>Reproduction.</p> Signup and view all the answers

    What is a characteristic common to all organisms?

    <p>Excretion.</p> Signup and view all the answers

    Which method of reproduction is NOT typically associated with plants?

    <p>Reproduction through binary fission.</p> Signup and view all the answers

    What is the main reason some plants excrete waste products as secretions?

    <p>To prevent accumulation of harmful substances.</p> Signup and view all the answers

    What is a key aspect of the process of 'respiration'?

    <p>The process of giving off heat</p> Signup and view all the answers

    What is the BEST explanation for why a seed is considered living?

    <p>It can germinate and grow into a plant</p> Signup and view all the answers

    What is a common misconception about non-living things?

    <p>They never display any characteristics of living things</p> Signup and view all the answers

    Which of the following is NOT a characteristic of living things?

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

    What is the most accurate conclusion from the provided content about life?

    <p>Life is diverse and complex, making it difficult to define</p> Signup and view all the answers

    Which of the following sea animals have streamlined bodies to help them move easily in water?

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

    What is the primary function of gills in sea animals?

    <p>To extract oxygen from the water</p> Signup and view all the answers

    How do dolphins and whales breathe in air?

    <p>Through nostrils or blowholes located on the upper part of their heads</p> Signup and view all the answers

    Why do dolphins and whales come to the surface of the water?

    <p>To breathe in air</p> Signup and view all the answers

    What is the main function of the roots in aquatic plants?

    <p>To anchor the plant in place</p> Signup and view all the answers

    What is the characteristic feature of submerged aquatic plants?

    <p>They have narrow and thin ribbon-like leaves</p> Signup and view all the answers

    What is NOT a common habitat for aquatic plants?

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

    Which of the following statements is true about the adaptations of sea animals?

    <p>Sea animals with blowholes cannot survive underwater for long periods</p> Signup and view all the answers

    What is the primary function of the thick waxy layer covering the stem of a cactus?

    <p>To prevent water loss from the plant</p> Signup and view all the answers

    What is the adaptation that allows snow leopard to survive in cold mountain regions?

    <p>Thick skin or fur</p> Signup and view all the answers

    Which of the following statements is NOT true about mountain habitats?

    <p>Mountain regions have no vegetation</p> Signup and view all the answers

    How do the needle-like leaves of some trees in mountain regions aid in survival?

    <p>They allow the rainwater and snow to slide off easily</p> Signup and view all the answers

    Why do desert plants have roots that go very deep into the soil?

    <p>To reach underground water sources</p> Signup and view all the answers

    What is the purpose of the polythene bags used in the experiment mentioned in the text?

    <p>To measure the amount of water lost by the plants</p> Signup and view all the answers

    What is the main difference between the leaves of a typical plant and the leaf-like structure of a cactus?

    <p>The cactus leaf is actually its stem</p> Signup and view all the answers

    In the context of the text, what is the primary purpose of the experiment involving the cacti and leafy plants?

    <p>To demonstrate the difference in transpiration rate between cacti and leafy plants</p> Signup and view all the answers

    Study Notes

    Living Organisms and Habitats

    • Organisms live in various environments, each with different conditions
    • These environments include deserts, mountains, and seashores; and these locations all have distinct characteristics.

    Habitats and Adaptations

    • Organisms in different habitats have unique adaptations that help them survive
    • Camels, for example, have adaptations like dry dung, little urine production and fat reserves to conserve water in arid environments.
    • Fish have streamlined bodies for fast movement in water

    Terrestrial Habitats

    • Deserts: Animals like rats and snakes burrow underground to stay cool during the day
    • Mountains: Animals such as yaks have thick fur or thick skins to adapt to cold and windy conditions
    • Grasslands: Lions and deer have features that help with hunting or escaping predators

    Aquatic Habitats

    • Oceans: Many sea creatures have streamlined bodies for faster movement in water
    • Ponds and Lakes: Various aquatic plants either float on the surface or have roots fixed in the soil beneath the water.

    Do all Organisms Need Food?

    • Food is needed by all living organisms as it provides energy for growth and life processes.

    Do all Organisms Show Growth?

    • Organisms grow over time. Animals and plants both grow.

    Do all Organisms Respire?

    • Respiration is essential for all organisms, taking in oxygen and releasing carbon dioxide.

    Do all Organisms Respond to Stimuli?

    • Organisms react to changes in their surroundings, responding to stimuli
    • This includes changes in light, touch, and smell.

    Do all Organisms Reproduce?

    • Most organisms reproduce to create new individuals of their kind
    • This can involve producing eggs, giving birth to young ones (live birth), or growing from parts of the parent organism or seeds
    • Plants reproduce through seeds, spores, or other methods

    Excretion

    • All organisms get rid of waste products through excretion
    • Waste products can be eliminated through different bodily processes

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    Related Documents

    The Living Organisms - Characteristics and Habitats PDF

    Description

    Explore the diverse habitats where organisms thrive and the unique adaptations they possess to survive in their environments. From deserts to oceans, this quiz will test your knowledge of how living beings interact with their surroundings and adapt to various challenges. Understand the characteristics of terrestrial and aquatic habitats.

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