Science Class 9
Patterns in Life: Diversity and Classification
Group living things by real features, sort them into five kingdoms, and write scientific names.
10 lessons · ~64 min total
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Lessons in this topic
- 0 Start here Why living things are grouped, the five kingdoms, and how to write a scientific name. · 3 min You are here
- 1 Too many to list Living things are grouped by shared features. A new feature gives new groups. · 6 min
- 2 A feature that splits cleanly A good grouping feature gives a clear yes-or-no answer for every living thing. · 7 min
- 3 What decides a group Inherited features make reliable groups. Features gained during one life do not. · 7 min
- 4 Groups inside groups Classification has ranks, one inside the next, from kingdom down to species. · 7 min
- 5 Five large groups Three questions about cells sort most living things into one of five kingdoms. · 9 min
- 6 Two names for every kind Every kind of living thing gets one two-part scientific name, the same in every country. · 6 min
- 7 The things that do not fit A virus has no cells, so the five-kingdom scheme has no group for it. · 7 min
- 8 The big picture The whole chapter on one screen. · 4 min
- 9 Track quiz Seven quick questions, one for each idea. · 8 min
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