The main purpose of biological taxonomy is to use a systematic method to name,
organize, and show relationships among species.
Taxonomy<span> (from
Ancient Greek: τάξις taxis, "arrangement", and -νομία -nomia,
"method") is the science of defining groups of biological<span> organisms on the basis of shared characteristics
and giving names to those groups.</span></span>
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Predatory kills their prey on the spot. Parastic keeps the host alive and feeds off of thier body over a long period of time, until they are too weak to stay alive.
Insulin receptors regulate glucose level in blood. without that, glucose level would be uncontrolled/not normal (high/low) and it would be impossible to maintain homeostasis (stability) :P hope it will help.. :))
because producers make their own food without depending on others. So in this case plants are producers is true because they make their own food with photosynthesis.
