I think it is D. The National Institutes of Health found it effective in reducing pain and other symptoms, but it is not clear how it works.
Explanation:
Los síntomas del chancro incluyen una o más ulceras y dolor en los nódulos linfáticos, es decir en el área donde las piernas y el tronco del cuerpo se unen. La úlcera empieza como un granito doloroso que se llena de pus y luego se convierte en una llaga o úlcera.
Answer:
lichens and bryophytes[secondary seccession]
Explanation:
after the wildfire, the area would bee too dry and therfore it'll lead to a xerarch succession. lichens and bryophytes would be the climax communities.
Yes I think you are right. It does not contain setae for food to travel to the anus. But it's something else that develops the food into poop and travels through anus
Hope this helps :)