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Deciduous
In botany, deciduous plants,
principally trees and
shrubs, are those that lose
all of their foliage for
part of the year. In some
cases, the foliage loss
coincides with winter in
temperate or polar climates,
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Cotyledon
A cotyledon is a significant
part of the embryo within
the seed of a plant. Upon
germination, the cotyledon
usually becomes the
embryonic first leaves of a
seedling. The number of
cotyledons present is one
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Plant cell
There are three major
classes of plant cells that
can then differentiate to
form the tissue structures
of roots, stems, and leaves.
(The three distinct types of
plant cells are classified
according to the structure
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Cacao
Cacao is a small evergreen
tree in the family
Sterculiaceae (alternatively
Malvaceae), native to
tropical South America, but
now cultivated throughout
the tropics. Its seeds are
used to make cocoa and
... > full story
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Chloroplast
Chloroplasts are organelles found in plant cells and eukaryotic algae that conduct photosynthesis. Chloroplasts absorb sunlight and use it in conjunction with water and carbon dioxide gas to produce ... > more -
Toxicodendron
Toxicodendron is a small genus of woody trees, shrubs and vines, all of which produce the skin-irritating oil urushiol, which can cause a severe allergic reaction; hence the scientific name which ... > more -
Heirloom plant
An heirloom plant is an open-pollinated cultivar that was commonly grown during earlier periods in human history, but which is not used in modern large-scale agriculture. Since most popular heirloom ... > more -
Chlorophyll
Chlorophyll is a green photosynthetic pigment found in plants, algae, and cyanobacteria. Chlorophyll absorbs mostly in the blue and to a lesser extent red portions of the electromagnetic spectrum, ... > more -
Phytoplankton
Phytoplankton refers to the autotrophic component of the plankton that drifts in the water column. Most phytoplankton are too small to be individually seen with the unaided eye. Phytoplankton, like ... > more -
Seed predation
Seed predation includes any process inflicted on a plant’s seeds by an animal that results in the inviability of the seed. Generally this refers to the consumption and digestion of the seed, ... > more -
Biological tissue
Biological tissue is a collection of interconnected cells that perform a similar function within an organism. The study of tissue is known as histology, or, in connection with disease, ... > more -
Food chain
Food chains and food webs and/or food networks describe the feeding relationships between species in a biotic community. In other words, they show the transfer of material and energy from one species ... > more
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