Introduction Flashcards

(6 cards)

1
Q

What is biology?

A

Biology is the study of life.

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2
Q

What are the main characteristics of living things?

A
  1. All living things are made of cells.
  2. Living things grow and reproduce.
  3. Living things respond to their environment.
  4. Living things have a lifespan and eventually die.
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3
Q

Name one thing that follows 4 or more characteristics but is not alive.

A

Viruses.

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4
Q

What is the longest living organism?

A

Sea sponges.

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5
Q

What is the shortest living organism?

A

Mayfly insect.

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6
Q

Name two organisms that are now extinct.

A

Saber-toothed tiger and mammoth.

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