Then answer is b. Cnidaria
The answer is C. Dominant allele
Answer:
The answer is sunlight.
Explanation:
Sunlight is captured from the plants leaves and that energy is used to break down water into hydrogen and oxygen.
I think the hydra lacks the specialized cells for touch and chemical detection. On the other hand earthworms have touch, light, vibration and chemical receptors along the entire body surface. Both of them are invertebrates (those animals without a backbone), they include insects, worms, jelly fish, spiders among other animals.
When charged particles from the sun strike atoms in earth's atmosphere, it causes electrons to move to a higher energy state. When the electrons drop back to a low energy state they release light photons. This is what causes the Aurora lights
