Photosynthesis will result in gain of energy in an ecosystem.
<span>The answer is nerve net.
Jellyfish has a nerve net that surrounds its
whole body. It makes a series of interconnected neurons that form net-like structure. This net surrounds the whole body of the jellyfish. Some jellyfish may have sensory structures, motor nerve net, and diffuse nerve net. Sensory structures receive environment signals and send them through diffuse nerve net to motor nerve net that activates muscle contractions.</span>
<span>A) change their views about minorities.
Jackie Robinson became the first "black" to play professional baseball in the United States. He proved that black people are also as competitive as those with white people.
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Explanation:
Food gives us energy and builds our body. If we do not eat regularly, we will become weak.
