Both true I hope this helps and you have a good day!
C. Larva, also known as a caterpillar. This stage happens right after the creature hatches from the egg. <span />
The short answer is: The scientist means that a dose of 20 mg per kilogram is enough to kill one half or fity percent of the animals used in the test. LD stands for leathal doseage. The 50 means 50 percent. Subsequently a dose of 20 mg per killogram has a lethal dose that will kill 50% of the test subjects.
I think the correct answer from the choices listed above is option A. The statement that is true of embryonic stem cells but not of adult stem cells would be that they can differentiate into many cell types. They can<span> develop </span>into<span> any </span>cell type<span> in the body. Hope this answers the question. Have a nice day.</span>