I think is c d b a b but I'm not sure
Answer:
Since warm air gradually replaces cold air along a warm front, layers of stratus clouds are formed. A continuous drizzly rain tends to fall since stratus clouds typically cover large areas of the sky. Once the front has passed, however, clear and warm weather tends to follow. the answer is stratus clouds and drizzly rain
Explanation:
Answer: c) and b) are correct.
The brain is encased in a protective bony or cartilaginous housing in craniates.
The anterior end of the nerve cord is elaborated to form a brain in craniates.
Explanation: The craniates include the chordata with well-defined heads. This includes mammals, reptiles and fishes. So we can discard the other answers. Because most craniates have functional jaws, and the adults do not lose their chordate characteristics. The last one does not apply as a specific feature because the tunicate have neural crest but are not recognized as craniata.
Consumers/producers: A surplus of consumers and a reduced amount of producers cause an ecosystem to collapse. Their are more mouths to feed then there is food
