Biology 1002 Hrincevich

13 important questions on Biology 1002 Hrincevich

Non-Vascular Plants (Bryophytes)

Plants that require a moist environment to reproduce and are both aquatic and terrestrial. Liverworts and Mosses. Lack roots, stems, or leaves but have rhizoid root like structures. Limited in size.

Vascular Plants (Tracheophytes)

Plants that colonize dry environment. Ferns, Gymnosperms, Angiosperms

What are the common ancestor of all plants?

Ancestral green algae.
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What happened between the appearance of Mosses and Ferns?

True vascular tissue and lignin appeared

What happened between the appearance of ferns and gymnosperms?

Seeds and pollen appeared

What are examples of seed plants?

Gymnosperms and Angiosperms

What happened between the transition from gymnosperms to angiosperms?

Flowers and fruits appeared.

Hornworts, Liverworts, Moss, and Sphagnum Bog are classified as?

Non-Vascular Plants

How do non-vascular plants reproduce?

Sperm swims to an egg, fertilization occurs with the development of sporophytes, sporophytes produced haploid spores via meiosis, and the spores germinate into gametophytes.

Seedless Vascular Plants

Have swimming sperm and require water for reproduction; do not produce seeds but use spores; club mosses, horsetails, and ferns

What coats cells of club mosses and horsetails?

Silica (glass)

How are gymnosperms and angiosperms different?

Gymnosperms do not have flowers while angiosperms do.

Ginkgos, Cycadas, Genetophytes, and Conifers are classified as ...

Gymnosperms

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