Exchange of gases in fish is very efficient because of: the large surface area of the gills. the large surface area of the blood capillaries in each gill filament. the short distance required for diffusion – the outer layer of the gill filaments and the capillary walls are just one cell thick.
They must find food
they must find shelter
One cell produces two genetically identical daughter cells is both mitosis and meiosis.
It would be an oncogene, these can be inherited mutations of proto-oncogenes that cause the oncogene.
Answer:
If the question states "the role of bile salts in the alimentary canal is" not "the role of bike salts in the alimentary canal is" then the role of the bile salt is to act as detergents and emulsifying large fat droplets into small ones