3. What is symbiosis? Page 15,16
4. How does exchange of gases takes place in leaves?
5. What is photosynthesis? Page 10
Answers
Answer:
1.Symbiosis is a close relationship between two species in which at least one species benefits. For the other species, the relationship may be positive, negative, or neutral. There are three basic types of symbiosis: mutualism, commensalism, and parasitism.
2.Leaves consist of tiny pores known as stomata. Gaseous exchange occurs through diffusion via stomata. Guard cells regulate each of the stomata
3.Photosynthesis is the process by which green plants make their food.
Answer:
Symbiosis= in which organism share shelter and food for another organism this symbiotic relationship is called symbiosis
(4),=Exchange of gases take place in leaves by stomata
(5),=plants make their food in the presence of sunlight, minerals, water is called photosynthesis