Answer:government sanctioned activities have been effective in helping to restore ecosystems, but do not replace prevention efforts.the answer is c
Explanation:
Answer:
Es cuando los restos orgánicos son cubiertos por el suelo y con el tiempo se degradan
dejando vasios en la roca que los confinan natural mente
Vertebrata
Vertebrata is a group that contains various organisms which possess vertebrae (backbones). Animals that belong to the group are called vertebrates, and they include mammals, birds, fish, amphibians, and reptiles. The backbones in the animals extends from the head to the tail, and it encloses and protects the main nerve cord. The body of vertebrates is divided into trunk, and tail regions. They also possess a unique tube shaped brain, a distinct head, and three pairs of sense organs.
The CNS are lined by ependymal cells. Ependymal cells are epithelial cells that monitor the composition of cerebrospinal fluid (CSF)
