Characteristics of Seed Plants By Mrs. T.

List all the Plants you know! Separate those you listed into those that grow from a seed and those that don’t. Most of the plants are Seed Plants. Seed Plants outnumber non-seed plants 10 to one.

What is a Seed Plant? A seed plant is any plant that grows from a ______. They all have _________ tissue. They use ______ and _______ to reproduce. They all have roots, _______ and _________ seed vascular seeds pollen stems leaves

More Facts: Like seedless plants, seed plants have complex life cycles that include : _______________ and _______________ stages in their life cycle In seed plants the plant you can actually see is the ________________. The __________________ are microscopic. sporophyte gametophyte sporophyte gametophyte

Vascular Tissue Functions Provide support, strength, & stability Transport _______,________, and __________ throughout the plant. food water nutrients

2 Types of Vascular Tissue Phloem ________________ is vascular tissue that moves food down from the leaves and throughout the plant. _________________ is vascular tissue that moves water and nutrients from the soil up through roots to the stems and leaves. Xylem

Phloem and Xylem

Phloem and Xylem

Pollen and Seeds Seeds can live in a wide variety of __________________. Seed plants do not need water to ensure fertilization Instead, seed plants produce ________ or tiny structures that contain the cells that become ___________ cells. Pollen delivers the sperm cells directly near the ______. Pollens is transported by ______________, ________ and by self-pollination If the pollen fertilizes the egg, a _______ develops. A _________ is a structure that contains a young plant inside a protective covering. environments pollen sperm eggs Animal pollinators wind seed seed

Pollen and Seeds cont’d. Pollen delivers the sperm cells directly near the _______ Pollen is transported by ___________, _________ and by self-pollination eggs Animal pollinators wind

Seed Structure An __________________ Stored ________________ _________________ coat Seed leaves called _______________________. These will be the first leaves to emerge and their job is to start photosynthesis. embryo food Seed cotyledons

Seed Coat Structure 3 Main Parts: 1. Protects the ________ and its ________ from drying out. In many plants, seeds are surrounded by ___________. embryo food fruit