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Ch. 6 Introduction to Plants
Table of contents: Intro. to Plants
Bellwork:1. In your own words define Photosynthesis.2. What level of the food web are plants
located?
You have 5 minutes from the bell to start class…..
Bellwork
Photosynthesis – plants use light energy from the
sun to make their own food from the carbon
dioxide they get from the air and water the absorb
from the soil.
Plants are the base level of the food web and
energy pyramid. They are known as producers,
because they make their own food.
Ch. 6 sect. 1
Draw the diagram to the right into your compbook.
There are crayons and colored pencils at each table group so that you
may add color.
You have 5 minutes……
Characteristics all plants share….
Photosynthesis – they all make their own food
Cuticle – a waxy layer that coats most of the surfaces of plants that are exposed to air and keeps the plant from drying out.
Cell walls – all plant cells are surrounded by a cell wall
Reproduction – sporophyte stage and gametophyte stage
https://www.khanacademy.org/science/biology/photosynthesis/v/photosynthesis
Photosynthesis
Sept. 12th BellworkYou have 10 minutes from the bell ringing……
Define:
1. Nonvascular plant
2. Vascular plant
3. Gymnosperm
4. Angiosperm
5. Rhizoid
6. Rhizome
Cell WallsCell wall – surrounds the cell membrane. The cell
wall supports and protects the plant cell.
Cell membrane – surrounds a plant cell and lies
beneath the cell wall.
Vacuole – stores water, helps support the cell, and plays a role in many other
cell functions.
Chloroplasts – contain chlorophyll that captures
energy from the sun.
Scientist of the Month
Our first
Scientist of the month
is
Theophrastus
Sept. 15th Bellwork
Study Photosynthesis notes What is needed Where it all happens
Quiz over Photosynthesis in 10 minutes……
Photosynthesis Quiz
1. What gas does a plant use from the air around it to make its own food?
2. Where does a plant get the energy that it needs for photosynthesis?
3. What liquid is necessary for photosynthesis?
4. Where in the plant cell does photosynthesis occur?
5. What is the green pigment (located in the chloroplasts) that captures energy from the sun called?
Plant Classification
Seedless plants
Nonvascular
Do not have true stems, roots, or leaves
Rhizoid is a rootlike structure that holds non vascular plants in place and help the plant to get water and nutrients
Vascular
Do have true stems, roots, and leaves
Rhizome – underground stem from which new leaves and roots grow
Answer the following questions
How are nonvascular plants important to the environment?
How are seedless vascular plants important to the environment?
Answer in complete sentences……
Sept. 16th Bellwork
Define:
1. Pollen
2. Pollination
You have 5 minutes…….
Mosses’ life cycle
Drag picture to placeholder or click icon to add
http://www.youtube.com/watch?v=o1z0Vfo62Lg
Fern’s life cyclehttp://www.youtube.com/watch?v=Fhk-Y0duNjg
Vascular seed plants
Gymnosperm
Trees & Shrubs that do not have flowers or fruit
Angiosperm
Have flowers and seeds that are protected by fruit
Seed plants reproduce with the help of animals and the wind.
Gymnosperm life cyclehttp://www.youtube.com/watch?v=2gWEgrMwMe0
2 classes of angiosperm
http://www.youtube.com/watch?v=AykzPemLs7Q
Bell Work Sept. 22, 2014
Describe two advantages that seed plants have over seedless plants.
How are flowering plants important to humans?
Hint: answers are in sect. 3 of Ch. 6
Structures of seed plants
Plants have roots and shoots.
Vascular system between these two are connected.
Xylem is vascular tissue that transports water and minerals through the plant from the roots to the shoots.
Phloem is vascular tissue that transports food molecules to all parts of a plant.
Both are found in ALL parts of vascular plants.
Roots
Functions: supply plants with
water and minerals hold plants in place store surplus food
Stems- connects a plant’s roots to its leaves and flowers
• Support the plant body
• Transport materials between root system and the shoot system
• Some store materials
Herbaceous stems-are soft, thin, and flexible
Woody stems-rigid and made of wood and bark
LeavesMain function is to make food for the plant
FlowersSepal – one of the outermost rings of modified leaves that protect the flower bud
Petal – one of the ring or rings of the usually brightly colored, leaf-shaped parts of a flower
Stamen – the male reproductive structure of a flower that produces pollen and consists of an anther at the tip of a filament
Pistil – the female reproductive part of a flower that produces seeds and consists of an ovary, style, and stigma
Ovary – the lower part of a pistil that produces eggs in ovules
Tomorrow is review day!Review packet is due TOMORROW!!!!!!!!