Kingdom Plantae on the basis of vasculature is divided into two groups-vascular and non-vascular plants
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<u>Vascular plants </u>or tracheophytes have a proper tissue-level organization and true shoot and root structures like leaves, stem, flowers, root etc
The tissue system or vasculature of vascular plants compromises of vascular tissues like tubular vessels – xylem and phloem
The xylem transports nutrients to various parts of the body from the leaves.
Phloem conducts water and other nutrients from the roots to various parts of the plant
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These are flowering plants that include the phanerogams – angiosperms and gymnosperms and bears flowers and fruits like the cedars, pine, clubmosses, lilies, sunflower etc.
Dicots are with tubular vasculature.
Non-vascular plants or bryophytes with an absence of proper tissue-level organization and true shoot or root systems
<u>Nonvascular plants</u> are small. Their transport mechanism is poor due to lack of vascular tissues
These plants are lack proper shoot or root system.
It includes mosses, hornworts etc.
Monocots are plants with scattered tube-like vessels
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Zoology is the study of animals, generally speaking, and since birds are animals, the study of these fall into the field zoology. The study of birds though, is called ornithology.