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1. UNIT 4UNIT 4
Natural science daniel bernal sierraNatural science daniel bernal sierra

2. CLASSIFICATION OFCLASSIFICATION OF
PLANTSPLANTS
 FLOWERING PLANTSFLOWERING PLANTS
 Flowering plantsFlowering plants are the biggest groupare the biggest group
of plantsof plants
 ANGIOPERMSANGIOPERMS polliated flowers producepolliated flowers produce
seeds insideseeds inside
 ANGIOSPERMSANGIOSPERMS they have amsllthey have amsll
flowers.they don t produce any fruitsflowers.they don t produce any fruits

3.  Non-flowering plantsNon-flowering plants
 Not produce seeds.they reproduceNot produce seeds.they reproduce
asexuallyasexually
 FERMSFERMS they have roots and strong stemthey have roots and strong stem
under the groundunder the ground
 MOSSESMOSSES they have very simple stemthey have very simple stem
and leaves .there roots are calledand leaves .there roots are called
rrhizoidsrrhizoids

4. PARTS OF PLANTSPARTS OF PLANTS
 Most plants have there parts theMost plants have there parts the
roots,stemand leavesroots,stemand leaves
 Roots absob water and mineralsRoots absob water and minerals
 Stem it also transports materials to andStem it also transports materials to and
from the leavesfrom the leaves
 Leaves contain chlorophyll a greenLeaves contain chlorophyll a green
substance wich is nnecessary forsubstance wich is nnecessary for
photosynthesisphotosynthesis

5. PLANTS NUTRITIONSPLANTS NUTRITIONS
AND RESPIRATIONAND RESPIRATION
 NUTRRITION all livig things needNUTRRITION all livig things need
energy to perfom their basic funtionsenergy to perfom their basic funtions
 RESPIRATIONS plants don t justRESPIRATIONS plants don t just
consume oxygen the reproduce it tooconsume oxygen the reproduce it too
 IMPORTANCE OF PHOTOSYNTHESISIMPORTANCE OF PHOTOSYNTHESIS
i comsume carbon dioxide witch is toxici comsume carbon dioxide witch is toxic
to most living .is transforms water andto most living .is transforms water and
minerals into foodminerals into food

6. PLANTS NUTRITIONSPLANTS NUTRITIONS
AND RESPIRATIONAND RESPIRATION
 NUTRRITION all livig things needNUTRRITION all livig things need
energy to perfom their basic funtionsenergy to perfom their basic funtions
 RESPIRATIONS plants don t justRESPIRATIONS plants don t just
consume oxygen the reproduce it tooconsume oxygen the reproduce it too
 IMPORTANCE OF PHOTOSYNTHESISIMPORTANCE OF PHOTOSYNTHESIS
i comsume carbon dioxide witch is toxici comsume carbon dioxide witch is toxic
to most living .is transforms water andto most living .is transforms water and
minerals into foodminerals into food