The chemicals, neurotransmitters are released to carry a nerve impulse which is an electric signal transmitted by the nervous system. This impulse transmitted from one neuron to another. Examples of neurotransmitters are serotonin in which scientists thinks that a low level of this is one of the causes of depression.
They lay eggs because they don't have the genetics or things in their body to give birth.
Yes. Oxygen crash led to Cambrian mass extinction
Plant cell have cell wall and animals cell don’t have
Plant cell have plastids and animal cell don’t have
The answer would be : <span>B. the Casparian strip is waterproof.
Hope this helps !
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