Answer:
The correct option is E: Limulus - Book Lungs
Explanation:
The structure of a book lung is made so as to maximize the efficiency of gaseous exchange in arachnids. An externally located structure, book gills, aids in this process. Limulus are horseshoe crabs that still makes use of book gills. Its a marine creature (an arthopod, to be specific) that has 5 pairs of book gills on its body.
Definitely #2 is the answer
Answer:
The answer is Uracil
Explanation:
Uracil is the only nucleotide present in RNA. remember this RNA is ACGU and DNA is ACGT. See the difference?
it cause global warming which heats up the atmosphere and most animals in colder areas there homes are melting because of fossil fuels?
