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PLANTS (ASEXUAL REPRODUCTION IN PLANTS (TYPES OF ASEXUAL REPRODUCTION…
PLANTS
ASEXUAL REPRODUCTION IN PLANTS
THEN FALLS TO GROUND GERMINATES
FINALLY NEW PLANT BEGINS GROW
FIST SAMALL FRAGMENT BREAKS OFF PLANT
MANY PLANTS GROW FLOWERS SEEDS ALSO REPRODUCE THROGH FRAGMENTATION, IN FRAGMENTATION NEW PLANT GROWS FROM FRAGMENT OF PARENT PLANT
TYPES OF ASEXUAL REPRODUCTION FRAGMENTS
STOLONS: THEY GROW DEVELOP ROOTS PRODUCE NEW PLANT STRAWBERRIES ARE STOLONS
CUTTINGS: GERANIUMS GRAPEVINES GROW FROM CUTTINGS
TUBERS: STORE NUTRIENTS THEY GET FROM SOIL POTATOES ARE TUBERS
BULBS: GARLIC AND ONIONS BULBS
RHIZOMES: ASPARAGUS AND IRIS ARE RHIZOMES
CHARACTERISTICS OF PLANTS
PARTS
STEMS: KEEP PLANT UPRIGHT SUPPORT IT, CARRIES WATER MINERALS NUTRIENTS
ROOTS: SOIL, SOME STORE NUTRIENTS ROOTS
LEAVES: CAPTURE SUNLIGHT AND CARBON DIOXIDE, USE SUNLIGHT, CARBON DIOXIDE, WATER, MINERALS MAKE NUTRIENTS
SUBSTANCES TO MAKE FOOD: WATER, MINERALS, SUNLIGTH, CARBON DIOXIDE
CLASSIFICATION OF PLANTS
FLOWERING
ANGIOSPERMS: APPLE TREES, PLANTS GROW SEED, FOUND INSIDE FRUIT
GYMNOSPERMS: PINE TREES, HAVE SEEDS NO FRUIT
HAVE ORGANS: FLOWERS, FRUITS, SEEDS HELP REPRODUCE
NON-FLOWERING
FERNS: ROOTS, LEAVES, STEMS, SPORES FORMED UNDERSIDE LEAVES
MOSSES: NO ROOTS, LEAVES, STEM, SPORES PRODUCED CAPSULES, END FILAMENTS
NO SEEDS, REPRODUCE SPORES (TINY CELLS GROW NEW PLANT)
PLANT NUTRITION
PHOTOSYNTHESIS: MAKE OWN NUTRIENTS, ABSORBD CARBON DIOXIDE, WATER, MINERALS, RELEASE OXYGEN AIR, TAKES PLACE GREEN LEAVES DURING DAY, ABSORB ENERGY SUNLIGHT, GREEN PIGMET CHLOROPYLL
RESPIRATION: RELATED PLANTS ENERGY, PLANTS ABSORB OXYGEN FROM AIR, OXYGEN NUTRIENTS TRANSFORMED ENERGY, RELEASES CARBON DIOXIDE WATER INTO AIR, TAKES PLACE DURING DAY NIGHT
SEXUAL REPRODUCTION IN PLANTS
REPRODUCTION FLOWERING PLANTS
CLASSIFICATION FLOWERS
MALE FLOWER PRODUCES POLLEN
FEMALE FLOWER PRODUCES OVULES
HERMAPHRODITE FLOWERS: MANY FLOWERS MALE FEMALE PARTS INSIDE SAME FLOWER
POLLINATION
SELF-POLLINATION POLEN TRANSFERRED STAMEN TO PISTIL ANOTHER FLOWER SAME PLANT
CROSS-POLLINATION TRANSFERRED STAMEN FLOWER TO PISTIL ANOTHER PLANT SAME TYPE
WIND, INSECTS, AGENTS ACCIDENTALLY TRANSPORT POLLEN ONE FLOWER TO ANOTHER
PISTIL: FEMALE REPRODUCTIVE ORGANS
STYLE: TUBE CONNECTS STIGMA OVARY
OVARY: CENTRAL PART PISTIL CONTAINS OVULES
STIGMA: STICKY TOP TRAP POLLEN
OVULE FERTILISED BECOMES SEED
PLACE INSIDE FLOWER 2 REPRODUCTIVE CELLS DIFERENTS PLANTS TOGETHER GENERATES NEW SIMILAR, FLOWERS ARE REPRODUCTIVE ORGANS, HAVE MALE AND FEMALE
MALE ORGANS
ANTHER: PRODUCES, HOLDS POLLEN
FILAMENT: SUPPORT TO ANTHER
STAMEN: MALE REPRODUCTIVE ORGAN
NON-FLOWERING PLANTS
1.SORI: SACKS SPORES LOCATED UNDER FERNS LEAVES
SPORES FALL GROUND FORM ORGANS PRODUCE REPRODUCTIVE CELLS
AFTER FERTILISATION NEW FERN BEGINS GROW
DON'T HAVE FLOWERS SEEDS, USE SPORES REPRODUCE, FERNS REPRODUCE THIS WAY
HOW DO PLANTS RESPOND TO THEIR ENVIROMENTS?
NASTIC MOVEMENTS: MOVEMENT PLANT NOT INVOLVE GROWTH EXAMPLE CARNIVOROUS PLANT
TROPIC MOVEMENTS: OCCUR PLANTS MOVE TOWARDS AWAY FROM STIMULUS INVOLVE GROTH EXAMPLE SOME PLANTS GROW TOWARDS SUNLIGHT