Which cells in the leaf are green?
a. phloem cells
b. mesophyll cells
c. lower epidermis cells
d. upper epidermis cells

Based on anatomical similarities, to which modern animal is dr. digger’s creature most closely related?

Dermal tissue in plants stores 1.extra food 2.transports water and nutrients 3.transports waste materials 4.is similar to epithelial cells in animals

Explain how paleontologists use trilobite fossils as index fossils for various geologic time periods.