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.
In trick-taking card games, a revoke is a violation of important rules regarding the play of tricks serious enough to render the round invalid. A revoke is a violation ranked in seriousness somewhat below overt cheating, with the status of a more minor offense only because, when it happens, it is usually accidental.