liver contain abundance of smooth endoplasmic reticulum
Hello There!
This is called the "IRIS"
The iris is the colored part of they eye and it's responsible for focusing light onto the cornea.
Human and the natural ones can change the ecosystem
The answer is Oak Tree ---> leaf ---> Guard Cell ---> Chloroplast because guard cells are are specialized cells in the epidermis of leaves which means leaves are more complex and Chloroplasts are less complex than guard cells.
