Answer:
The correct answer is All of the above are correct.
Explanation:
Earth is very diverse which contains microscopic organism to huge organisms like blue whales. Some live in water, some live on land and some live in extream climates. But there is something which unites every organism on this earth as every organism is evolved from a single individual.
Therefore there is unity in diversity seen at many stages in living organisms like structure of DNA is same in all organisms, every organism contains the same genetic code for a particular amino acid, forelimbs of all mammals have the same basic structure and evolved for different functions.
These all are the examples of unity in diversity so the correct answer is all of the above.
Air passes from the trachea into the lungs through two large tubes called : Bronchi
Bronchi has the function to conducts air to the lungs (it somehow acts as an airway to the respiratory system)
hope this helps
Organelle, cells, tissues, organs, organ systems, organisms, populations, communities, ecosystem, and biosphere
Answer: Cnidarians have a very simple sensory system that consists of a nerve net and no sensory organs. Octopi have a complex sensory system, including a brain and eyes as complex as human eyes.
(Here are two examples. Hope this helps!)