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Patterns in Life: Diversity and Classification

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Six animals at a zoo, sorted in more than one way.

A shared feature turns a scattered pile into groups.

This is Chapter 12. It is Patterns in Life: Diversity and Classification.

What you will learn

  • Too many to list — sort living things by a feature you pick.
  • A feature that splits cleanly — a clear yes or no.
  • What decides a group — features passed from parents.
  • Groups inside groups — kingdom down to species.
  • Five large groups — three questions sort them into kingdoms.
  • Two names for every kind — genus, then species.
  • The things that do not fit — a virus has no cells.

Quick catch-up

These earlier lessons help. Open one first if a line here is unclear.

  • Grouping — pick one feature, and sorting by it makes groups.
  • A good question — sorts answers into a few piles.
  • Two kinds of cell — a nucleus, in its own compartment, or loose.
  • How big a cell can get — big bodies need small cells.
  • Four kinds, not one word — bacteria, fungi, protozoa, viruses.
  • What gets passed on — offspring resemble parents because instructions are copied.
  • More than one sign — living things are checked on several signs together.

One rule before every bench

Every bench in this track is a simulation. No card names a real person.

Jump to lesson

This track

  1. 0 Start here
  2. 1 Too many to list
  3. 2 A feature that splits cleanly
  4. 3 What decides a group
  5. 4 Groups inside groups
  6. 5 Five large groups
  7. 6 Two names for every kind
  8. 7 The things that do not fit
  9. 8 The big picture
  10. 9 Track quiz

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