So they can say the number quicker.
C...the key is that they are photosynthetic...so they produce oxygen (like plants)!
The fossil record essentially keeps track of the abundance and appearance of various fossils during different time periods. As time goes on, the fossils change. Using the fossil record, we can compare and contrast the fossils to develop theories about changing life forms and their connection to time.
Hope this helped :)
Answer:more decrease in fish
Explanation:because that penguins source of food most of the time
