Chapter 11, section 1

1
Chapter 11, section 1

• Review

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All protists are___________ their cells have a
nucleus.

• eukaryotic

3
Unlike fungi, plants, and animals, protists do
not have_____________

• specialized tissues

4
Protists get food in different ways.

• Some protists are producers, or
  _________________________.
• autotrophs
• These autotrophs have special structures in their
  cells called __________________, which capture
  energy from the sun.
• chloroplasts
• Because of chloroplast, these protists are
  ___________________ (color).

5
Autotrophs use energy to produce food. This
process is called

• photosynthesis

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Protists that get food from their environment are
called

• heterotrophs

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Some heterotrophs get energy by breaking down
dead matter,

• These heterotrophs are called ____________________
  _______.
• decomposers

8
Some heterotrophs invade another organism to get
food.

• These heterotrophs are called ____________________
  ____.
• parasites
• The organism they invade is called a
  _______________________.
• host

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Protists reproduce in different ways.

• Most protists reproduce ___________________
• asexually.
• In ___________________________, one protist
  divides into two cells.
• binary fission

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Asexual reproduction

• When a single-celled protist makes more than two
  offspring, this is called ________________.
• Multiple fission

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Sexual Reproduction

• One type of sexual reproduction is
  _______________________, in which two paramecia
  join together and give each other DNA.
• conjugation