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12/12 - 7th Grade Agenda Learning Objective: Learn about Seed Plants
Collect HW: Reading & Note taking p.179 – 182 Collect HW: Signed Grade Printout Angiosperm Textbook Reading HW: Chap 10 Reading Guide Section 1 Reminder: Bring a flower on 12/15 & 12/16 for flower dissection lab. ( 5 Points) Reminder HW: Science Fair Topic due 12/20 & 12/21 (10 Points)
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Reflection Prompt: Give 2 reasons why stems are important. Give 2 reasons why roots are important. (write in complete sentences)
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What is a seed plant? All have vascular tissues
Most plants are seed plants (10 to 1) Seed plants use seeds to reproduce All seed plants have roots, leaves and stems In plants what you see are the sporophyte stage.
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Parts of Seeds Embryo Stored Food Seed Coat.
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What do seeds need to develop into a new plant?
Light Water Nutrients.
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How can seeds be scattered?
Animals Water Wind Shooting out of plant.
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What is Germination? Early Growth Stage of Embryo
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What role do leaves play in plant?
Leaves capture the sun’s energy and carry out the food making process of photosynthesis
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Structure of leaf
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What are the functions of stems?
Carry substances between the leaves and roots Support the plant and hold up the leaves Store food.
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What are the functions of roots?
Anchor plants in the ground Absorb water and nutrients from the soil Store food.
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What are Gymnosperms? A gymnosperm is a seed plant that produce naked seeds.
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Life Cycle of Gymnosperm
Most Gymnosperms produce two types of cones: Male cones and female cones
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Angiosperm Review Q: What is a plant that produce seeds that are enclosed in a fruit called? A: Angiosperm
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What is the reproductive structure of angiosperms?
Flower
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What are the two characteristics of angiosperms?
1. Produce Flowers 2. Produce Fruits
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Structure of Flower
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Reminder Homework for 12/15 & 12/16
HW: Bring a large flower in a plastic bag w/ your name on it. that we will observe in class: Best to bring a Lilly Next best is to bring a large flower where you can see the pistil and stamen. You can go to a florist and ask them of any old flower that they are going to throw away 5 Points
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