Answer:
bacteria is living viruses are not
Explanation:
The products that are derived from invertebrates are the following:
1. food - crabs, lobsters, oysters, octopuses: all of these are invertebrates (meaning they have no spine) and are used as food
2. shell - seashells are invertebrates and their shells are used for various purposes
3. jewelry - shells are used as jewelry, as well as pearls coming from seashells
4. silk - silk comes from silkworms, which are invertebrates
I just wouldn't pick cotton, because you get cotton from a plant.
Answer:
tongue; middle of the back
Explanation:
- In physiology, the two-point threshold means that there must exist a threshold distance, above which any given subject can differentiate between two different sensations.
- In physics, the two-point threshold is the smallest distance that exists between two points where the person can distinguish those two points as distinct and not one.
- This two-point threshold work by Weber found that the most sensitive area where the threshold distance was the smallest was the tongue and the least sensitive area where the distance was largest was the middle of the back.
<em>Answer</em><em>:</em><em>Nitrogen fixation</em><em> </em><em>is</em><em> </em><em>the</em><em> </em><em>nitrogen</em><em> </em><em>fixing</em><em> </em><em>bacteria</em><em>.</em>