Answer:a
Explanation: they are at the top
Answer:
C
Explanation:
Even when sharks and tigers are both meat eaters, the question is about similarities between tigers and crocodiles, so D is out. A is about crocodiles and sharks, so it's out also. B suits for sharks too, so it's out too. C is the most suitable answer, because both animals have four legs, which means that they belong to the group of quadrupede animals.
The name of the pumping organs of an earthworm is called the Aortic Arches.
The <u>Trachea</u> is a 5-inch long tube made of C-shaped hyaline cartilage rings lined with pseudostratified ciliated columnar epithelium.
Hope that helps!