An Introduction to An Introduction to PlantsPlants

Plants come in an amazing variety. Plants come in an amazing variety.

These plants have no system for moving water and nutrients throughout the plant. (no plumbing)

These plants have tubes that move water and nutrients to all parts of the plant. (they have plumbing)

What do you already What do you already know?know? How do you think non-vascular plants How do you think non-vascular plants

move water and nutrients around. (hint: move water and nutrients around. (hint: we studied this process with the elodea we studied this process with the elodea plants) It starts with an “O”plants) It starts with an “O”

Osmosis and DiffusionOsmosis and Diffusion Which plants, vascular or non-vascular do Which plants, vascular or non-vascular do

you think grow the tallest? Explain why?you think grow the tallest? Explain why?

Vascular plants can grow the tallest because Vascular plants can grow the tallest because they have plumbing to move water and they have plumbing to move water and nutrients to different parts.nutrients to different parts.

Check it OutCheck it Out

What type of plants are these?What type of plants are these?

NonvascularNonvascular Plants Plants These plants are always short like These plants are always short like

mosses and liverworts because they mosses and liverworts because they need to be bathed (sitting or covered) in need to be bathed (sitting or covered) in water.water.

The water goes directly into each cell.The water goes directly into each cell.

Plants are further divided Plants are further divided into plants with seeds and into plants with seeds and without.without.

Plants without seedsPlants without seeds = = All All nonvascular plants and fernsnonvascular plants and ferns, , horsetails, and club mosseshorsetails, and club mosses..

Plants with seedsPlants with seeds = = GymnospermsGymnosperms (nonflowering) and(nonflowering) and Angiosperms Angiosperms (flowering)(flowering)

Complete the concept map using Complete the concept map using vocabulary from your Powerpoint vocabulary from your Powerpoint notes.notes.

All Plants HaveAll Plants Have

While there are a huge number of different While there are a huge number of different species of plants all plants have some species of plants all plants have some things in common.things in common.

1.1. All plants make their own food in a All plants make their own food in a process called ________________.process called ________________.

2.2. All plant cells have _____ ___________ All plant cells have _____ ___________ which provide protection and support.which provide protection and support.

3.3. All plants have a All plants have a cuticlecuticle. A waxy layer . A waxy layer covering the plant surface keeping it from covering the plant surface keeping it from drying out.drying out.

4. All plants have a similar life cycle. 4. All plants have a similar life cycle.

What two stages do all plants go through in What two stages do all plants go through in their life?their life?

Sporophyte and GametophyteSporophyte and Gametophyte

Gametophytes create the egg and sperm for Gametophytes create the egg and sperm for reproduction. reproduction.

What process happens in the gametophytes to What process happens in the gametophytes to create the eggs and sperm? _____________ create the eggs and sperm? _____________

(hint we studied this process in January starts (hint we studied this process in January starts with an M)with an M)

RootsRoots Why do plants have roots?Why do plants have roots?

1 To get water1 To get water 2 To get nutrients2 To get nutrients 3 To anchor it to the ground (keep it from 3 To anchor it to the ground (keep it from

falling over)falling over)

Angiosperms (flowering plants)Angiosperms (flowering plants)

Angiosperms are vascular plants. What does Angiosperms are vascular plants. What does that mean? that mean?

They have a plumbing system (a They have a plumbing system (a vascularvascular system). system).

A system of specialized cells that move water, A system of specialized cells that move water, nutrients and food to all parts of the plants. nutrients and food to all parts of the plants.

Individual cells make up tissues which make up Individual cells make up tissues which make up ________ which make up _______ ________ which make up _______ _________ which make up the plant. Just _________ which make up the plant. Just like us! Except we’re not plants. like us! Except we’re not plants.

Check it out!Check it out!

What does xylem transport? What does xylem transport?

Water and nutrientsWater and nutrients

What does phloem transport? What does phloem transport?

GlucoseGlucose

Assignment: (finish for homework)Assignment: (finish for homework)

On a blank piece of paper draw a model of On a blank piece of paper draw a model of a tree or plant starting with roots on the a tree or plant starting with roots on the bottom, stem or trunk, and finally leaves.bottom, stem or trunk, and finally leaves.

Draw tubes representing the vascular Draw tubes representing the vascular system with different colors for xylem and system with different colors for xylem and phloem. (don’t forget a key and/or labels)phloem. (don’t forget a key and/or labels)

Use arrows to show which way they are Use arrows to show which way they are flowing.flowing.