Diversity in Living Organisms Class 9 Notes

Diversity In Living Organisms Class 9 CBSE Notes – Chapter 7

There are a variety of factors such as geographic, biotic, abiotic that affect the diversity in living organisms. For instance, the earliest known ancestors of whales (not direct) were similar to today’s dogs. But over the course of many aeons, limbs transformed to flippers and fins, size increased drastically, resulting in the evolution of whales as we know them today. Please refer Diversity in Living Organisms Class 9 Notes for more revision notes.