The very primitive organism is the oldest because, over time, organisms gradually evolved into more complex organisms. First came the primitive organism, then it evolved into the more complex one, or the younger fossil.
All carbohydrates, including sugar, therefore contain the same three elements:carbon<span>, </span>hydrogen<span> and </span>oxygen<span>.</span>
A fish swims with it's fins and breathes under water with it's gills.
Asexual reproduction or mitosis. Hope this helps, and if it does, plz mark me as brainiest! Have a beautiful day/night! ^-^
Answer:
a through reproduction of the host cell
Explanation: