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Plant Anatomy & Growth: Fungi, Secondary Growth, Sexual Cycle, Seed Dev., & Cells - Prof. , Quizzes of Biology

An overview of plant growth, focusing on the differences between fungi and plants, secondary growth, the sexual lifecycle in angiosperms, seed development, and the structure and function of plant cells. It includes figures and pop quiz questions.

Typology: Quizzes

Pre 2010

Uploaded on 08/01/2009

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Plant growth
Fig 31.7
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Plant growth

Fig 31.

Pop Quiz

Name one characteristic offungi that is different than plants

A group of hyphae is called a______?

The term used to describe how fungi feed is ________________.

Primary growth

Fig 31.

Secondary

Growth

Fig 31.8A

Anatomy of a log

Fig 31.8B

Anatomy of a log

  • Heartwood; xylem plugged with resins, acts

as an endoskeleton

  • Sapwood; secondary xylem that conducts

water

Sexual lifecycle in Angiosperms

  • Flowers; compressed shoots with modified

leaves

  • Sepals; green, protect flowers – Petals; colorful, attract pollinators – stamens; male, have anthers at tip, deliver pollen - carpels; female, stigma, bear ovules – What is pollination?

Flowering

Pollen and

ovule

development

Fig 31.

Embryo Development

Ovule to Seed

Fig 31.

Seed development

  • Triploid cell- develops into endosperm • Zygote develops into embryo • Ovule coat develops into the seed coat

Seed Germination

  • Previously developing embryo starts again

after dormancy

  • Seed takes up water, expands, ruptures its coat, stored nutrients are broken down and fuelgrowth