Plants - WordPress.com

Plants - WordPress.com

Plants Overview Nonvascular Plants Hornwort Usually small plants

Everything transported by diffusion and osmosis Life Cycle of Nonvascular

Plants (MOSS) Vascular Plants (Seedless) Some early vascular plants only

reproduce with spores and not seeds Ferns are examples of these

Spores (how a fern reproduces) Life Cycle Vascular (seed) plants

Two types Gymnosperms Angiosperms

Monocots Dicots Gymnosperms Plants that make seeds that do not

develop into a fruit Usually bear pollen or seed cones Gymnosperm Life Cycle

Angiosperms Flowering Plants and trees More than 230,000 species and 300 families!!!

Monocots Seeds produce a singe cotyledon (seed leaf) Parallel veins

Flowers usually in multiples of 3s Ex. Grasses Dicots Flowering plants

produce 2 cotyledons (seed leaves) Leaf veins form a network Flower parts in multiples of 4 or 5

Plant transport Water and nutrients transfer through the xylem Red circles in the

middle Transpiration Water lost through the stomates Guard cells help to

regulate the loss of water Translocation Phloem moves sugar made in the leaves

or roots (source) to a storage place (sink) Process is called translocation Green cells

FLOWER POWER Why are angiosperms so successful and diverse? What are the structures of the flower? How are the structures best suited for their functions?

USE YOUR TEXTBOOK!!! Flowers 4 main parts

Petals (together make the corolla) Sepals (together make the calyx) Stamens (male parts; produce pollen)

Pistils (female parts) Stigma Style Ovary Fruits

We think of it as yummy, healthy food Botanist definition is ripened ovary of a flower Peas, eggplant, tomatoes, cucumber, squash, peppers are all really fruit

Simple Fruits Created from a single ripened ovary 2 Types Dry Fleshy

Aggregate Fruits Come from a single flower but multiple ovaries

developing in that flower Multiple Fruit Formed from several flowers of each

having an individual ovary Seeds Monocot vs. Dicot Questions to answer

1. How is a flower like a baboons butt? 2. How is plant reproduction similar to animal

reproduction?

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