Non-vascular plants is a general term for those plants without a vascular system (xylem and phloem). Although non-vascular plants do not have these particular tissues, a number of them possess other tissues specialized for internal transport of water.he term non-vascular plant is no longer used in scientific nomenclature. Non-vascular plants include two distantly related groups: 1  The Bryophyta (mosses), the Marchantiophyta (liverworts), and the Anthocerotophyta (hornworts).
An EMCS is an energy management feature that uses microcomputers, instrumentation, control equipment, and software to manage a building's use of energy for heating, ventilation, air conditioning, lighting, and/or business-related processes. These systems may also manage fire control, safety, and security.
The Picture Exchange Communication System (PECS) is an invaluable resource, which can be used with children and young people with Autism Spectrum Conditions and other communication difficulties. PECS does not require complex or expensive materials and can easily be used in school, home or in the community.ECS is a type of Augmentative and Alternative Communication that uses visual symbols to teach the learner to communicate with parents, carers, teachers and peers. The aim is to teach intentional, functional communication and to allow users to communicate their wants and needs. The PECS approach occurs in 6 phases.