Biology: Living Things and Cells

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Questions and Answers

Which of the following characteristics is essential for all living things?

  • Ability to fly
  • Ability to photosynthesize
  • Cellular structure (correct)
  • Presence of a backbone

Which component of an animal cell serves as the control center?

  • Membrane
  • Vacuole
  • Nucleus (correct)
  • Cytoplasm

Which group of living things includes organisms like mushrooms and yeast?

  • Animals
  • Bacteria
  • Fungi (correct)
  • Plants

What is the main function of the plant cell wall?

<p>To give strength to the cell (B)</p> Signup and view all the answers

How do living things primarily eliminate waste?

<p>By excretion (C)</p> Signup and view all the answers

Which of the following statements about chloroplasts is true?

<p>Chloroplasts enable plants to perform photosynthesis (B)</p> Signup and view all the answers

What distinguishes vertebrates from invertebrates?

<p>Vertebrates have backbones (B)</p> Signup and view all the answers

What role does the cytoplasm play in a cell?

<p>It supports tiny cell structures and carries out reactions (A)</p> Signup and view all the answers

Flashcards

Living things

Organisms exhibiting all characteristics needed to be considered alive (cells, nutrition, excretion, response, reproduction).

Cells

The basic building blocks of all living things.

Animal cell

A structure comprising of a membrane, nucleus, and cytoplasm.

Plant cell

A structure resembling animal cells but possessing a cell wall and chloroplasts for photosynthesis.

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Cell membrane

A thin layer surrounding a cell controlling what enters and exits.

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Nucleus

The control center of the cell, directing its functions.

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Cytoplasm

The jelly-like substance inside a cell where chemical reactions occur.

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Chloroplasts

Green structures in plant cells that allow photosynthesis (food creation).

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