C. Write short answers.
* Why is it necessary to breathe?
2.
Why do herbivores and carnivores have
3.
How do fish breathe under water?
4.
Snakes do not have legs. Then, how do
5. How are fins useful to a fish.
Answers
Answer:
4. fish breath in under water with the help of gills
Answer:
1. Every system in the body relies on oxygen. From cognition to digestion, effective breathing can not only provide you with a greater sense of mental clarity, it can also help you sleep better, digest food more efficiently, improve your body's immune response, and reduce stress levels.
2. Carnivores and herbivores have different types of teeth, to suit the type of food they eat. Herbivores have teeth which are shaped to squash and grind plants. Teeth a and b on the diagram show the herbivore's teeth. Carnivores have teeth which are shaped to slice and rip the meat they eat.
3. Fish breathe with their gills, and they need a constant supply of oxygen. Gills sit under the operculum. This is called the gill slit.
4. Snakes are reptiles with no legs. They move by using their muscles to push their scales against the ground or other objects. ... When it gets too cold snakes cannot move fast enough to catch or digest their prey.
5. Their principal function is to help the fish swim. Fins located in different places on the fish serve different purposes such as moving forward, turning, keeping an upright position or stopping. Most fish use fins when swimming, flying fish use pectoral fins for gliding, and frogfish use them for crawling.