Characteristics of Living Things Quiz
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Questions and Answers

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

  • Ability to think (correct)
  • Made of cells
  • Need energy
  • Respond to the environment
  • Plants and animals obtain energy in the same way.

    False (B)

    A membrane that is ____ allows only certain substances to pass through it.

    selectively permeable

    What is the basic unit of life?

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

    The process by which plants collect energy from the sun to make their own food is called _____.

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

    Which of the following organelles is NOT found in a plant cell?

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

    Match the following organisms with their breathing structures:

    <p>Fish = Gills Birds = Lungs Insects = Spiracles Mammals = Lungs</p> Signup and view all the answers

    Diffusion is the movement of molecules from an area of high concentration to an area of low concentration.

    <p>True (A)</p> Signup and view all the answers

    What are the two main types of transport tissues found in plants, and what does each transport?

    <p>The two main types of transport tissues in plants are xylem and phloem. Xylem transports water and dissolved minerals from the roots to the rest of the plant, while phloem transports sugars (food) produced during photosynthesis from the leaves to other parts of the plant.</p> Signup and view all the answers

    Which of the following is an example of a stimulus and response in living things?

    <p>All of the above (D)</p> Signup and view all the answers

    You grow because your cells get bigger as you age.

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

    Match the following cell organelles with their primary functions:

    <p>Nucleus = Control center of the cell Mitochondria = Powerhouse of the cell Golgi apparatus = Packages and modifies proteins Ribosomes = Protein synthesis Endoplasmic reticulum = Rough endoplasmic reticulum (RER) synthesizes proteins; Smooth endoplasmic reticulum (SER) synthesizes lipids and detoxifies substances</p> Signup and view all the answers

    What type of feet would a bird suited for swimming have?

    <p>Webbed feet</p> Signup and view all the answers

    The microscope magnifies_ the images of small objects.

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

    On the lowest power objective lens, you should focus with which knob?

    <p>Course Adjustment Knob (D)</p> Signup and view all the answers

    What is the function of the gills in a fish?

    <p>Absorb oxygen</p> Signup and view all the answers

    On the medium and high power lenses, you should focus with which knob?

    <p>Fine Adjustment Knob (C)</p> Signup and view all the answers

    A bird suited for eating insects hiding on tree bark would have a broad, flat beak.

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

    When looking through a microscope, you should try to keep both eyes open.

    <p>True (A)</p> Signup and view all the answers

    Describe how you should safely carry a microscope.

    <p>One hand should hold the base of the microscope, and the other hand should support the arm.</p> Signup and view all the answers

    Match the following cell organelles with their correct descriptions:

    <p>Mitochondria = Site of cellular respiration - Powerhouse of the cell Golgi Complex = Package and delivers proteins Cell Membrane = Regulates the movement of substances into and out of the cell Cell wall = Provides structural support, found only in plant cells Endoplasmic Reticulum = Transports materials within the cell Ribosomes = Site of protein synthesis Large Vacuole = Stores water and waste Cytoplasm = Fluid inside the cell where many chemical reactions occur Nucleus = Contains the genetic material of the cell - The brain center of the cell Chloroplasts = Sites of photosynthesis, found only in plant cells</p> Signup and view all the answers

    What special organelles do Paramecium have that help them swim?

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

    What does an Amoeba use a pseudopod for?

    <p>Movement and capturing food</p> Signup and view all the answers

    Flashcards

    Selectively Permeable

    A property of cell membranes that allows certain substances to pass while excluding others.

    Tissue

    A group of similar cells working together to perform a specific function.

    Organ

    A structure made of different tissues that work together for a specific function.

    Phloem

    Plant tissue responsible for transporting food (sugars) throughout the plant.

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    Diffusion

    The process by which molecules spread from areas of high concentration to areas of low concentration.

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    Microscope

    An instrument that magnifies images of small objects.

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    Lowest Power Objective Knob

    Use the coarse focus knob on the lowest power lens.

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    Medium/High Power Objective Knob

    Use the fine focus knob for medium and high power lenses.

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    Carrying a Microscope

    Hold the base with one hand and the arm with the other.

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    Total Magnification Calculation

    Multiply the objective lens by the ocular lens for total magnification.

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    Osmosis

    The diffusion of water across a membrane.

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    Cilia in Paramecium

    Organelles that help Paramecium swim.

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    Characteristics of Living Things

    The six key traits that define life forms: made of cells, need energy, grow and develop, respond to environment, adapt, and reproduce.

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    Made of Cells

    All living things consist of one or more cells, which are the basic units of life.

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    Photosynthesis

    The process by which plants use sunlight to make their own food.

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    Stimulus and Response

    Stimulus is an external factor that causes a response in an organism.

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    Adaptations in Fish

    Features that enable fish to survive in water, like gills, fins, and scales.

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    Breathing Structures

    Different organisms have specialized structures for breathing: fish have gills, birds and mammals have lungs, insects have spiracles.

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    Webbed Feet

    Feet adapted for swimming found in birds like ducks.

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    Beak Types

    Different shapes of bird beaks adapted for various feeding habits; pointed for insects, broad for seeds.

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    Study Notes

    Characteristics of Living Things

    • Living things are made of cells
    • They require energy
    • They grow and develop
    • They respond to their environment
    • They adapt to their environment
    • They reproduce

    Basic Unit of Life

    • Cells are the basic unit of life

    Plant and Animal Energy

    • Plants use photosynthesis to make their own food
    • Animals get food from the environment

    Stimulus and Response

    • Sunlight coming through a window is a stimulus. A plant growing towards the window is a response
    • A hot plate touching your hand is a stimulus. Quickly drawing your hand back is a response
    • Unpredicted cold is a stimulus. Shivering from the cold is a response

    Cell Growth

    • You start as a single cell
    • You grow because of more cells not larger cells

    Fish Adaptations

    • Fish have gills, fins, and scales for survival in water

    Microscope Use

    • The microscope magnifies small objects
    • Use the coarse adjustment knob at low power
    • Use fine adjustment at high power
    • Carry the microscope with one hand on the base and the other on the arm

    Keeping Eyes Open

    • Keep both eyes open when looking at objects through a microscope

    Cell Size

    • Calculate cell size by measuring the total field of view and dividing by the number of cells that fit across, with the given total magnification value given.
    • Example: 0.4 mm/5 cells = 0.08 mm per cell

    Cell Organelles (Matching)

    • Mitochondria: Powerhouse of the cell
    • Golgi Complex: Packaging plant
    • Cell Membrane: Selectively permeable
    • Cell Wall: Found in plants; made of cellulose
    • Cytoplasm: Fluid where chemical reactions occur
    • Large Vacuole: Stores water\minerals
    • Endoplasmic Reticulum: Transports proteins
    • Ribosomes: Make proteins
    • Chloroplasts: Site of photosynthesis
    • Nucleus: Brain of the cell; holds DNA
    • Organelles: Structure and function

    Multicellular Organisms

    • Paramecia use cilia to propel themselves
    • Amoebas use pseudopods for movement and feeding

    Diffusion and Osmosis

    • Diffusion is the movement of substances from higher concentrations to lower ones
    • Osmosis is the diffusion of water across a membrane

    Selectively Permeable

    • Selectively permeable membranes choose what can enter and exit the cell
    • Membranes control the passage of materials

    Cell Types

    • Animal cells and plant cells differ in their presence or absence of certain organelles.

    Tissues and Organs

    • Similar cells combine to form tissue. Tissues can then combine to form organs.

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    Description

    Test your knowledge on the essential characteristics that define living things, including their cellular structure, energy requirements, and responses to stimuli. This quiz also covers the basics of cell growth, plant and animal energy, and adaptations, alongside the use of a microscope. Perfect for students in biology classes!

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