National Science Education Standards. 1  Organisms have basic needs. For example, animals need air, water and food; plants require air, water, nutrients, and light. 2  Each plant or animal has different structures that serve different functions in growth, survival, reproduction.
Upon revocation, the buyer can then cancel the contract and compel refund of the purchase price of the goods. In some states, the courts allow the seller to set off the price for the time the buyer kept the goods before the revocation. In contract law, revocation can also refer to the termination of an offer.
(June 2008) A reversion in property law is a future interest that is retained by the grantor after the conveyance of an estate of a lesser quantum that he has (such as the owner of a fee simple granting a life estate or a leasehold estate).