amoeba
It could be a nervous dog or Chihuahua
DNA is a very large chemical compound, deoxyribonuclelic acid. DNA makes up every part of human and animal body chemistry.
animals
birds such as penguins and seagulls
Excrete more frequently
a sponge does not have a nervous system
Animal fat is a mixture of organic compounds.
Nervous tissue.
hormones
The nitrogenous material in an animal substance that is necessary for body building is called protein. Protein is essential for growth, repair, and maintenance of body tissues and organs. It is made up of amino acids, which are the building blocks of protein.
Pyrimidines are the single ringed structures-Cytosine and ThyminePurines are the double ringed structures- Adenine and Guanine.
nervous narwhal