Big Idea 15: Diversity and Evolution of Living Organisms

Topic XIV: Plant Classification SC.3.L.15.2

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BenchmarksBig Idea 15: Diversity and Evolution of Living Organisms•SC.3.L.15.2 Classify flowering and non-flowering plants into major groups such as those that produce seeds, or those like ferns and mosses that produce spores, according to their physical characteristics. Cognitive Complexity: Level 2: Basic Application of Skills & Concepts

How do we classify plants?

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Some plants produce flowers

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SEED PRODUCING PLANTS

Other plants produce cones

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SEED PRODUCING PLANTS

Conifer Plants

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SEED PRODUCING PLANTS

WHAT ARE FLOWERING PLANTS?

Plants that produce flowers. Their seeds are found in flowers that grow with the leaves.

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WHAT ARE CONIFERS?

Conifers are non-flowering plants that grow seeds just as most plants do. Their seeds are found in CONES which makes them unique…

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DO ALL PLANTS MAKE SEEDS TO REPRODUCE?

Ferns and Mosses do not grow seeds. Instead they produce spores.

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Ferns produce spores

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Comparing Nonflowering Plants

Moss and ferns produce spores.

Conifers such as a Pine tree produce cones

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REVIEW Questions

1. Explain how the conifer plant on the left reproduces.

Answer: Conifer plants like this pine tree reproduce by forming seeds inside of pine cones, which are spread throughout the forest by the wind and/or animals.

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2. What is the main difference between the way a fern and an orange tree reproduce?

Answer: An orange tree is a type of flowering plant that reproduces by means of seeds.

A fern is a nonflowering plant that reproduces by means of spores.

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Ferns VS Orange Trees