The birds, because we can see from the food web that the bird eats both grain, a producer, and grasshoppers, a consumer.
Answer:
Chem formation, DNA
Explanation:
This is because of how an organism is made up/gets its genes.
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.
