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Copia - PLANTS
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Created on November 28, 2022
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Transcript
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UNIT 3
PLANTS
REPRODUCTION
INTERACTION
NUTRITION
VITAL FUNCTIONS:
SEeD PLANTS
SEEDLESS PLANTS
KINGDOM PLANTAE
Índice
WHAT ARE THE MAIN CHARACTERISTICS OF PLANTS?
Clap game:- A plant is... autothoph/heterotroph? - A plant is unicellular/multicellular? -A plant has eukaryotic cells/prokaryotic cells? - They have tissues... yes/no?
Keeps the plant uprightSupports the upper part.
Perform photosynthesis.
Attach the plant to the ground Absorb water and minerals.
Leaves
Stem
Roots
Parts of a plant
TYPE OF PLANTS
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HEPATICA
MOSSES
BRYOPHITES
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Moss structure
- NO FLOWERS - NO FRUITS - REPRODUCTION THROUGH SPORES
PTERIDOPHYTES
Click here to watch Fern spores
PTERIDOPHYTE'S STRUCTURE
MOSSES
- Non vascular plants
- Have rhizoids instead roots
- They don´t have conducting vessels
- They only grow a few centimetres off the ground
- Alternation of generations
ferns
MAIN DIFFERENCIES BETWEEN MOSSES AND FERNS
- Vascular plants
- They have roots
- The hace conducting vessels
- Some can grow to be several metres tall
- Altenation of generations
Complete the following sentences: A .Mosses are attached to theground by______________called_______________. B .The stem of a fern is___________________and it is called a ________________. Branching off of it are leaves called______________________. C . At some stage of theirl ives, mosses and ferns reproduce through___________, which are produced in structures called______________________________.
Activity
ANGIOSPERMS
GYMNOSPERMS
SPERMATOPHYTES
- EVERGREEN AND DECIDIOUS LEAVES
- GRASSES, SHRUBS AND TREES
- FLOWERS
- POLLINATION BY WIND, WATER OR INSECTS
- HAVE FRUIT
- WHEAT, APPLE TREES, ROSES...
- EVERGREEN LEAVES
- MOSTLY TREES
- CONES
- POLLINATION BY WIND
- NO FRUIT
- CONIFERS
ANGIOSPERMS
gIMNOSPERMS
Versus
1. Complete the table about the differences between angiosperms and gymnosperms.
ACTIVITY
Female cones
Male cones
REPRODUCTIVE ORGANS
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REPRODUCTIVE ORGANS
Enlace
ACTIVITY
Visit the following website and answer the questions: a) What is a flower? b) What are the four basic parts of a flower? 1) 2) 3) 4) c) Name all the female flower parts or carpels. 1) 2) 3) 4) d) Name all the male flower parts or stamen. 1) 2) e) Name all the neutral (no sex) flower parts. 1) 2)
ALTERNATION OF GENERATIONS
SEXUAL
ASEXUAL
- Water and mineral salt absorbtion
- Xylem sap moves to green arts
- Photosynthesis
- Phloem sap moves around the plant
- Cell respiration
- The plant release substances
HORMONES
MOVEMENTS
REPRODUCTION
INTERACTION
NUTRITION
VITAL FUNCTIONS
Volver
Complete the sentences below with the following terms: CO2, organic, stomata, stem, substances, leaf, water, carbohydrates, vessels, veins, phloem sap and photosynthesis. A. Through their ___________plants expel oxygen from ________________, the ______________from respiration and excess ______________ (as vapour). B. The transport of __________in the plant takes place through the __________, which travel through the ____________, the branches and the ____________of the leaves. C. The nutrients) that are made in photosynthesis mix _____________ with water in the __________and form ________________.
ACTIVITY
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Thermonasty
Photonasty
Thigmonasty
Geotropism
Hydrotropism
Phototropism
Are movements that occurs as a response to a stimuli. Movements are faster and reversible
NASTIC
Are the growth responses of plants due to external stimuli.
TROPISM
Lorem Ipsum Dolor
Volver
1. Explain the main differences between nastic movements and tropisms?
ACTIVITY
VEGETATIVE REPRODUCTION
SPOROGENESIS
ASEXUAL REPRODUCTION
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Alternation of generations
GERMINATION
SEED FORMATION
2020
2000
1990
FRUIT FORMATION
FERTILISATION
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POLLINATION
PRODUCTION OF POLLEN GRAINS
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STAGE OF RERODUCTION IN FLOWERING PLANTS