Answer:
Even if you aren't friends with that account, I believe they will be able to receive the message. :)
Explanation:
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.
Hydrogen bonds can form between regions of polar molecules that are <span>oppositely charged.
Source credit: </span>https://quizlet.com/16761990/biology-chapter-22-saud-flash-cards/
<span>The theory puts forward the concept that chloroplasts were developed from one form of prokaryotic organisms taken up inside a primordial eukaryotic cell. This is an organism form that uses light energy to divide, this part of its processes became the chloropplast whilst another formed the origin of mitochondria.</span>
I will go with choice (C) density dependent pattern
