The correct answer to this question is phloem tissue. Long tubes that carry water and sugar from leaves to the rest of the plants are known as phloem tissue. Phloem tissue is a living tissue that carries nutrients in all of the parts of the plants where it is neede the most.
You could put salt-crystals outside during different times of the day when the temperature drops or rises.
Answer:
cockroaches and other insects
A general term for narrowing would be contracting. I assume that this is applicable to the rectum, as it is a muscular tissue, and muscles are able to expand (extend, rather), and contract.
Hope this helps. And I hope I'm the brainliest!