what is plantae kingdom???
Answers
Answer:
They are multicellular and eukaryotic organisms
They contain pigments,most popular one being the chlorophyll thus making them autotrophs. In addition to chlorophyll,they also contain fucoxanthin, carotenoids, xanthophylls etc
They are sedentary,meaning : fixed at a spot. Thus,their energy needs are comparatively less
They are further divided into four phyla: Algae,Bryopytha,Pteridophyta and Spermatophyta
Answer:
A)cryptogamme-the reproductive organs are very inconspicious
1)thallophytes-do not have well diffrentiated body design
2)bryophytes-have well differentiated body design but lack vascular tissues
3)pteridophytes-have well differentiated body design and vascular tissue but produce naked embroys called spores.
B)phenorogams-produce embroys enclosed in seeds
1)gymnosperms-produce naked seeds.have vascular tissues but xylem lacks vessels and phloem lacks companion cells.
2)angiosperms-produce seeds enclosed within fruits.
a)monocots-have only 1 cotyledon,fibrous root,parallel venation,sepals or petals in multiple of 3,
b)dicots-have 2 cotyledons,tap root,reticullate venation,sepals or petals in multiple of 4 or 5