There are so many species in the millions of years discovering each one. Classifying is one way that organizes all types of species into categories, knowing what they are, their characteristics, their habitat, etc
I don't know, maybe because of the way we see animals. Not as our equal parts
Answer:
no they are not connected
To bring oxygen in the body because it is a respiratory organ fish
Answer:
an aerobic respiration is the type of respiration that uses oxygen to provide energy for the body
an anaerobic respiration is the type of respiration that does not use oxygen to provide energy for the body
to provide energy
carborn dioxide
glucose+oxygen =carbon dioxide +water +energy
