The new species come from old ancestors of the animals that were there, over time they slowly evolved, and they adapted to that new environment.
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.
Striated. But the lithosphere is made up of metamorphic, sedimentary, and igneous
Hey there,
Question: <span>A drug that inhibits the pumping of sodium and chloride ions out of the ascending limb of the loop of henle would result in</span>
Answer: less water removed from the descending limb
Hope this helps :))
<em>~Top♥</em>
Answer:
This is not a question we can answer, this is a question only you can answer because it is asking for your personal belief on wether alien's exist outside of earth or not.
Explanation:
