Answer:
Energy enters the ecosystem via sunlight as solar energy
Explanation:
when the solor energy comes down it goes to the grass when the animals eat it they have consumed that i put a picture below if that helps
I think the answer is 3 and 4
The cell membrane gateway system you are looking for is called <span>Sodium Potassium Pump.</span>
Answer:
A synapse.
Explanation:
This is where signals are transmitted through the brain, but cannot connect two neurons. The space is called a synapse.