Why are mustard seeds and groundnut called oil seeds

(i) Groundnut and mustard seeds are called oilseeds because they are used to extract edible oil which are used for cooking food.

(ii) Herbivores consume only plants and plant products whereas carnivores feed on other animals only.

Explanation:

i think it would be b. tissue because an organ system is a group of organs that work together to perform one or more functions. each does a particular job in the body, and is made up of certain tissues.