The upper and lower epidermal cells do not have chloroplasts, thus photosynthesis does not occur there. They serve forw ard as protection for the rest of the leaf. The stomates are holes which occur mainly in the lower epidermis and are for air step in: they let CO2 in and O2 out. The vascular bundles or veins in a leaf are part of the plants transportation system, actuate water and nutrients around the plant as needed. The mesop...If you want to piece a full essay, order it on our website: OrderEssay.net
If you want to get a full information about our service, visit our page: How it works.
No comments:
Post a Comment
Note: Only a member of this blog may post a comment.