Answer: The ones that live on land their entire life cycle are human, rats, and pigeon.
Humans can not breath under water at all we can hold our breath. Rats do not breath under water but they can hold their breath for long pireds of time. Pigeons can not hold or breath under water.
It would be C because hair and feathers and what not are made from the protein keratin.
B. Precipitation affects the rate at which nutrients are removed from soil.
Soil is known to be a loose mixture of rock fragments, water, organic materials and air that usually accommodate the growth of vegetation. Thus, formation and development of soil is a dynamic process rather than static and soil is present when pre-historic animals roamed the Earth and some these animals are preserved only fossilized soils buried deep beneath our present soil.