- Life Sciences
secretory tissue in the leaves of plants that secretes water through pores in the epidermis or margin of the leaves.
a molecule that stores large amounts of energy that can be used for metabolic activity.
microscopes that do not rely on light to produce images. They are used to study the internal...
a microscopic hair-like extension of the cell membrane of the epithelial cells forming the outer...
all types of waste that pose a significant threat to people and the environment.