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.
I think the correct answer from the choices listed above is the third option. The DNA is used as a molecular clock in the sense that the <span>percent of carbon in DNA is compared between parent and offspring. Hope this answers the question. Have a nice day.</span>
The ratio of the outcomes in that Punnett Square is 2:2
creates the sun's energy from nuclear reactions
sorry if wrong.
Answer:
We should stop leaving plastic and trash on the ground and stop littering and leaving our stuff on the ground cause birds and other animals can get exteremly hurt we should also stop cutting trees down cause it is ruining heir homes and when the trees fall sqirells and chipmunks can get hurt the birds can fly away but that doesn't mean that they won't get hurt either.
Explanation:
