Cell structure involved his photosynthesis and respiration.

Answer 1

I assume you are talking about plants.

Since this is not my area of expertise, I searched Google under the key words "photosynthesis and respiration" to get these possible sources:

https://www.google.com/search?client=safari&rls=en&q=photosynthesis+and+respiration&ie=UTF-8&oe=UTF-8

In the future, you can find the information you desire more quickly, if you use appropriate key words to do your own search. Also see http://hanlib.sou.edu/searchtools/.

http://www.hackcollege.com/blog/2011/11/23/infographic-get-more-out-of-google.html

Don't just copy the material. Express the ideas in your own words. Although this will take more time and effort, you will learn more.