Primary consumers Organisms that eat producers to obtain nutrients and energy Dallas County Community College BIO 1409 - Summer 2015 1 BioLab3 Ecology Concepts Lab report I. Producers Define the following terms.
Invoice - What is an invoice? Definition: a document sent to a buyer that specifies the amount and cost of products or services that have been provided by a seller. An invoice indicates what must be paid by the buyer according to the payment terms of the seller. Payment terms usually specify the period of time that a buyer has to send payment to the seller for the goods and/or services that they have purchased. Included in a typical invoice. Sales v. purchase invoice.
Invoice billing. Invoice billing. Billing system in which invoices are sent off at the time of customer orders and are all separate bills to be paid. Invoice Billing. A system of billing a client according to goods and services provided. That is, the company provides a bill to the client for each time he/she buys goods and services. This contrasts with other ways to bill a client, such as providing a bill each month regardless of how many goods and services are purchased.