Lamprey and hagfish are jawless fish, with skeletons composed of cartilage. They do not have scales and are considered primitive fish. They are in the superclass cyclosystoma.
Answer:
Metabolism refers to all the chemical reactions in the body, including those that use oxygen and create carbon dioxide. Oxygen and carbon dioxide, therefore, are involved in both respiration and metabolism. Metabolic reactions are sometimes referred to as cellular respiration, which can cause confusion.
Answer:Proteins
Explanation:
DNA sequences make up amino acids which will make up proteins.
Answer:China is officially known as the People's Republic of China.
China has the largest population in the world, with over 1.3 billion people (1,343,239,923) as of July 2012.
China is the 3rd largest country by area at 9,706,961 sq km (3,747,879 sq miles).
China belongs to the continent of Asia.
Explanation:
Answer:
D. cell, tissue, organ, organ system, organism
Explanation:
also before cells there are also (and in order) atoms, molecules, organelles
(have a great day!)
;)
