Answer:an organism who make its own food is autotrophic
Explanation:
Answer:
The changes which can be reversed are called reversible changes. These are also called physical changes. Example- Melting of ice, Tearing of paper etc are physical or reversible changes.
Explanation:
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.
Spherical shaped bacteria are known as coccus bacteria.
Photosynthesis.. hope I helped (: