To catch them :) hope this helps
Thomas huxley = his findings made the theory of evolutions became widely accepted
Ernst Mayr = the one who proposed Biological species concept
Herbert spencer = found similarities between societies within humans and animal
Stephen Gould = the one who contributed to the study of fossils
hope this helps
Answer:
B. External respiration
Explanation:
Respiration means transport of oxygen to the cells within tissues, and the transport of carbon dioxide in the opposite direction.
