shaped like a cube.
a leaf with certain areas that lack chlorophyll. The leaf therefore contains both green and non-...
the ability to obtain enough food every day.
a gland which secretes substances, usually enzymes, through a duct directly to the part of the...
a liquid-filled body cavity formed within the mesoderm of some animals. The cavity occurs...
unicellular organisms that do not have a proper nucleus or membrane bound organelles.
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