Answer:
The wings are analogous structures that evolved differently and do not have a similar internal structure.
Explanation:
The wings have the same function, but birds and butterflies evolved in different ways, so the internal structures are not the same.
People who suffer from attention-deficit/hyperactivity disorder (ADHD) tend to have unusually low levels of dopamine.
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ADHD is a brain disorder characterized by problems in paying attention and excessive activity and it is suggested that lower levels of dopamine (elevated number of dopamine transporters) are associated with symptoms of ADHD. ADHD is associated with functional impairments of dopamine pathways and also norepinephrine pathways because these pathways are responsible for modulating <span>executive function<span> (cognitive control of behaviour).</span></span></span>
Answer:
It is Biosphere.
The Biosphere --contains all the planet's living things. This sphere includes all of the microorganisms, plants, and animals of Earth. Within the biosphere, living things form ecological communities based on the physical surroundings of an area.
Thai should be it, sorry if I’m wrong
The term migration fits the definition of a species brought into an ecosystem where it doesn't naturally occur