Is a tapeworm a parasitic worm

Asnail, elodea (aquatic plant), or both were added to the tubes and they were stoppered. tubes were placed under a grow light for 24 hours and the results recorded. the test tubes were then covered for 24 hours to produce a dark environment and the results recorded. which statement best explains the change in test tube d from the light setup to the dark setup.

Facilitates growth and change in neurons and the migration of neurons to different sites in the brain

What maintain homeostasis when a persons internal body temperature is 97.5°f