'Long day plants' diaporamas de présentation

Plant Hormones

Plant Hormones. Plant tropisms. Growth in a particular direction in response to an external stimulus. Response to gravity is called gravitropism To light is phototropism To touch is thigmotropism Responses may be positive or negative. Early experiments. Canary grass coleoptiles.

593 views • 39 slides

Plants

Plants. Ch. 29-30, 35-39. Ancestors to Land Plants . Charophyte algae seem to most closely resemble land plants because both charophytes and land plants have: Similar shaped proteins in the cell membrane (rosette shaped) while noncharophyte algae have linear shapes

534 views • 32 slides

Plant Form and Function

Plant Form and Function. Learning Goal: How are plants structurally adapted for survival? Analyzing how plants detect and defend themselves against herbivores and environmental stresses (Ch 39) Refer to pg 210-213 in Holtzclaw Ch 39 in Campbell Media resources.

1.45k views • 28 slides

The Pigment That Controls Growth and Flowering In Many Plants

phytochrome. The Pigment That Controls Growth and Flowering In Many Plants. What Is Phytochrome ?. Phytochrome is a pigment found in some plant cells that has been proven to control plant development.

413 views • 28 slides

Hormonal Control in Plants

Hormonal Control in Plants. Requirements for Growth & Reproduction 2010. Why would plants need hormones?. Controlling growth Responses to environmental changes Controlling reproductive cycles Responses to competition for resources.

511 views • 26 slides

CH- 27

367 views • 24 slides

Seasonal Behaviour in Plants

666 views • 23 slides

PLANT REPRODUCTION

PLANT REPRODUCTION. PHOTOPERIODISM. The critical factor that influences flowering is the number of hours of uninterrupted hours of darkness , not the number of daylight hours. The flowering response is called photoperiodism. PHOTOPERIODISM.

452 views • 22 slides

BEHAVIOURAL ADAPTATIONS

BEHAVIOURAL ADAPTATIONS. Behaviour in Plants (Or is it physiological). Plant Behaviour. What stimuli impact on plants and how do plants respond as a result? The effect of environmental stimuli on plants and their effect on plant growth

610 views • 20 slides

How to Kill a Houseplant

How to Kill a Houseplant. Overview. Soil Issues Temperature Light Insects Bacterium Viruses. Soil Issues. N, P, K, Lime. Fertilizer Done Right!. Nitrogen. Macronutrient Readily noticeable Tender growth (lettuce) Dark green Lots of Growth!. Too Much = Bad Thing

317 views • 19 slides

The Pigment That Controls Growth and Flowering In Many Plants

327 views • 19 slides

Plant behaviour

Plant behaviour. Plant BEHAVIOUR?!. Plants are also influenced by external factors/stimuli. Behaviour = reaction to stimulus. Tropisms. The growth of a plant in response to a stimulus Light Water Gravity Touch. Light tropism. Also called PHOTOTROPISM

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Plant tropisms and hormonal control

327 views • 13 slides

14.4 The Life Cycle of Flowering Plants

14.4 The Life Cycle of Flowering Plants. Biology 1001 November 28, 2005. Photoperiod and the Control of Flowering. The events of the life cycle, such as flowering, seed germination and leaf growth, need to be appropriately timed with respect to season

462 views • 13 slides

Colorado Ag. Science Curriculum Section: Plant and Soil Science Unit: 5 - Environmental Factors Lesson: 2 Light Affects

Colorado Ag. Science Curriculum Section: Plant and Soil Science Unit: 5 - Environmental Factors Lesson: 2 Light Affects of Plant Growth. OBJECTIVES TO BE COVERED. Determine how light can affect plant growth Identify signs of light stress in plants. Radiant Energy.

427 views • 11 slides

Plant responses

651 views • 10 slides

Biology Quiz Review

Biology Quiz Review. Chapters 29-33 Plant Diagrams. Sporophyte. Gametophyte. Rhizoid. Structures of a Fern. Frond. Pinnae. Stipe. Rhizome. Endosperm (3n). Seed Coat. Cotyledon. Plumule. Epicotyl. Hypocotyl. Radicle. Cuticle. Upper Epidermis. Palisade mesophyll. Vascular Bundle.

208 views • 10 slides

Lesson 5: Plant responses and growth

Lesson 5: Plant responses and growth. What are three stimuli that produce plant responses? Tropisms, hormones, and Auxin. Tropisms.

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Plant Response to Stimuli

303 views • 7 slides

Plant Responses, Growth, & Import

152 views • 4 slides