Living Things and Cells
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Questions and Answers

Which of the following characteristics is NOT associated with living things?

  • Reproduction
  • Excretion
  • Respiration (correct)
  • Nutrition

What structure in plant cells is responsible for photosynthesis?

  • Chloroplasts (correct)
  • Vacuole
  • Cell Wall
  • Cytoplasm

Which group of living things includes only organisms that do not have a backbone?

  • Invertebrates (correct)
  • Fungi
  • Bacteria
  • Vertebrates

What is the primary function of the cell membrane in both animal and plant cells?

<p>Control movement of substances in and out (B)</p> Signup and view all the answers

How do living things primarily obtain energy from their environment?

<p>By absorbing nutrients (D)</p> Signup and view all the answers

Which statement correctly describes the nucleus in a cell?

<p>It controls cell activities and contains genetic material. (B)</p> Signup and view all the answers

What distinguishes vertebrates from invertebrates?

<p>Having a backbone (B)</p> Signup and view all the answers

Which of the following is a likely function of the vacuole in plant cells?

<p>Storing nutrients and waste products (A)</p> Signup and view all the answers

Which living organism is considered a prokaryote?

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

What feature is unique to animal cells compared to plant cells?

<p>Flexible cell membrane (B)</p> Signup and view all the answers

Flashcards

Living things

Organisms that exhibit the following characteristics: cells, nutrition, excretion, response, and reproduction.

Cells

The basic building blocks of all living things.

Nutrition

The way living things obtain food.

Excretion

The process living things use to eliminate waste.

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Animal cells

Cells of animals, with a membrane, nucleus, and cytoplasm.

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Plant cells

Cells of plants, with a cell wall, membrane, nucleus, cytoplasm, and vacuole.

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Cell membrane

The part of both animal and plant cells that controls what enters and exits the cell.

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Nucleus

The control center of the cell, containing genetic material.

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Cytoplasm

A gel-like substance in cells that carries out chemical reactions and holds organelles.

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Chloroplasts

Tiny green structures in plant cells that carry out photosynthesis.

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Study Notes

Living Things and Cells

  • Living things are different from non-living things.
  • Living things have characteristics:
    • Cells: Basic building blocks of living things
    • Nutrition: The way living things get food
    • Excretion: The way living things get rid of waste
    • Response: How living things react to changes
    • Reproduction: The way living things produce new living things.

Groups of Living Things

  • Bacteria: Tiny microscopic living things
  • Fungi: Mushrooms, molds, and yeast
  • Plants: Trees, grasses, and flowers
  • Animals: Humans, fish, insects, etc.
  • Others: Seaweeds, amoeba
  • Vertebrates: Animals with backbones (e.g., horse, seagull, frog, snake)
  • Invertebrates: Animals without backbones (e.g., spider, earthworms, fly, jellyfish)

Cells

  • Living things are made of cells.
  • Animal Cells:
    • Membrane: Holds cell contents, controls what enters/exits
    • Nucleus: Control center of the cell
    • Cytoplasm: Carries out cell reactions, supports structures
  • Plant Cells:
    • Cell Wall: Gives strength to the cell
    • Cell Membrane: Controls what enters/exits the cell
    • Nucleus: Control center
    • Cytoplasm: Carries out cell reactions, supports structure
    • Chloroplasts: in plant cytoplasm, tiny structures that make food via photosynthesis
    • Vacuole: Gives strength to the cell

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Description

Explore the essential characteristics that differentiate living things from non-living things. This quiz covers types of living organisms such as bacteria, fungi, plants, and animals, along with the structure and function of cells.

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