D) would be the thrush
E) is sunlight
C) the third tropic level is secondary consumer
Order = producer- 1st consumer- 2nd consumer- third consumer- etc....
245 million years ago ( i have the same question lol)
Answer:
It was originally thought that archaea and eukaryotes were more closely related than bacteria and eukaryotes. However, evidence now supports the fact that both archaea and bacteria were responsible for the formation of more complex cells.
Explanation:
Answer: Option (a) is the correct option that is largest percentage of oxygen is present in both earth's crust and human body.
Explanation: Oxygen is present in large amounts both in earth's crust and human body. The percentage of oxygen in earth's crust is 46.6% and the percentage of oxygen in the body is about 66.6%. So it is concluded that both human body and earth's crust have high percentage of oxygen.