Carbon dioxide and water are required because at that stage the plants storage carbohydrate (usually starch) is being formed from carbon dioxide and the water
the energy required for that proccess came from the light dependent phase of photosynthesis hope that helps
Charles Darwin is known as father of evolution.
because of his contribution in biology. he also give the theory of natural selection which is great boon in studying how variation happen.
Answer:
<em>sooriy</em><em> </em><em> </em><em>Hindi</em><em> </em><em>ko</em><em> </em><em>alam</em><em> </em><em>ang</em><em> </em><em>sagut</em><em> </em><em /><em />
The external ear structure is called the Pinna.
The Pinna helps to channel sound waves into the ear.
Many animals have the ability to move their pinna towards the direction of sound.
I have attached an image of a dog's ear to show you the external structure called the Pinna.
I hope this helps! I'm happy to answer any other questions you might have :)
[Image sourced from: https://www.msdvetmanual.com/dog-owners/ear-disorders-of-dogs/ear-structure-and-function-in-dogs]