- Life Sciences
symbiosis where one organism lives on another (on the outside of another).
plastids responsible for pigment synthesis and storage. They mainly contain carotenoids, but can...
compounds that consist of any combination of elements, but do not usually contain carbon and...
epithelial tissue that lines the inner spaces of the body or organs.
regions or bundles of vascular tissue consisting of xylem and phloem separated by cambium.