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The trunk is the main body differ from shrubs, which are
of the tree. The trunk is covered shorter and usually have multiple
with bark which protects it from stems. Trees span the three
damage. Branches grow from the botanical groups that represent
trunk. They spread out so that the vascular plants pteridophytes,
leaves can get more sunlight. gymnosperms.
The leaves of a tree are green Gymnosperms and
most of the time, but they can angiosperms propagate by seeds
Not all parts of come in many colors, shapes and in the former type seeds are
a tree are alive sizes. The leaves take in sunlight exposed, or naked, on a structure
at one time, and use water and food from the such as a cone; on the latter, they
roots to make the tree grow, and
are within the ovary of a flower.
especially in to reproduce. Pteridophytes, on the other hand,
mature trees. Trees and shrubs take in water are seedless vascular plants such
keeping so much and carbon dioxide and give out as the tree ferm.
mass alive all the oxygen with sunlight to form Not all parts of a tree are
time would require sugars. This is the opposite of alive at one time, especially in
more energy than what animals do in respiration. mature trees. keeping so much
a tree’s system Plants also do some respiration mass alive all the time would
could handle. using oxygen the way animals require more energy than a tree’s
system could handle. The inner
do. They need oxygen as well as
The inner core of carbon dioxide to live. Trees are core of the trunk, called the
the trunk, called renewable resources because, if heartwood, is composed of out of
the heartwood, is cut down, other trees can grow in commission xylem that no longer
composed of out their place transports water throughout the
of commission Tree form by far the bulk tree. Similarly, the oldest layers
xylem that no of Earth’s biomass. In life and of phloem, which transports
longer transports in death trees contribute to the the food manufactured through
photosynthesis, from the outer
water throughout biosphere by making oxygen, dead bark of the tree’s surface.
the tree moving water, storing carbon In between the heartwood and
dioxide, enriching soil with dead
and decaying parts, and recycling bark lies the tree’s sapwood, it’s
the nutrients that life on earth living energy storage tissue.
depends on. Save Trees Save Earth”- a very
Trees are vascular plants that’s common phrase that we have been
develop a single main woody stem listening to since our childhood.
known as a trunk. Generally, trees But the need to save them is
grow to 15 feet or taller. Trees utmost now
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