**HELP PLS** Philippe did some research about classification for a science report. He learned that until 160 years ago, scientists recognized only two groups of microscopic organisms. How should Philippe explain why scientists decided to classify organisms into more groups?
More types of organisms exist now.

Fewer organisms have gone extinct in recent years.

Scientists invent new organisms that need to be classified.

Scientists continue to learn more about living things.

The correct answer would be - Scientists continue to learn more about living things.

Explanation:

In past scientists continues to do various research, findings, studies and experiments regarding diferent type of living organisms and their components and body parts.

These research, studies, and many other aspects of the science helps scientists to conotinue to learn more about living things which helps in provide information that there are different type of organism and should be classified.

the menstrual cycle – higher tier. negative feedback mechanisms affect the production of hormones in the menstrual cycle. oestrogen also stimulates the release of lh (luteinising hormone) from the pituitary gland, which in turn controls the production of progesterone.