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☆☆☆☆☆The endocrine system affects cells with certain receptors .
The nervous system can affect only nearby cells
viruses are not alive. APEX
Nutrients are absorbed into the bloodstream. Starch is broken down by enzymes.
Macromolecules are broken down.
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
Hormones.
The kidneys or the bladder, depending on the condition.
One gland causes calcium ions to be released; another gland causes them to be absorbed
Hormones control the release of eggs, and birth control pills either regulate or prevent that release.
In Vivo
eyes develop
lips start to form
Vocal cords develop.
looks
PCR
it makes the body create memory cells for future infections
