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☆☆☆☆☆It sends messages that control all the systems in the body.
The nervous system controls almost every action in the human body. It controls the heart beat, your adrenaline levels, and many other things which can effect an organism.
viruses are not alive. APEX
Anaphase
Nutrients are absorbed into the bloodstream. Starch is broken down by enzymes.
Macromolecules are broken down.
The circulatory system is its own system. There are not systems in the circulatory system.
When there are limited resources.
when there is competition for resources. apex :)
There must be genetic variation in the population
The system must not be in hardy-weinberg equilibrium.
resources must be limited in the ecosystem
Small intestine
Esophagus - APEX
The parts of the alimentary canal are:
The Mouth
The Pharynx
The Stomach
The small intestine
The large intestine
HIV attacks helper T cells that are trying to fight infection, rather than attacking healthy body cells like a cold virus does.
HIV attacks lymphocytes directly.
The endocrine system sends messages using hormones. It delivers messages from the nervous system to the excretory system. It tells the excretory system when the blood is out of balance.
enzymes
Looking for antigens is part of a specific immune response.
DNA Polymerase are proteins that cells use to copy DNA.
Phenotypes are an organisms characteristics and traits.
the traits that a person has
