NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites.IST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites.
The contractile vacuole allows free-living protists to expel extra water. <b>The contractile vacuole allows free-living protists to expel extra water <br /></b>.
2 Protists Lab Comparing Algae and Protozoans 3 Fungi Lab Making Yogurt Virtual Lab What kills germs? Teeming with Life The pond water appears crystal clear as the scientist uses a dropper to extract a sample for examination. However, in the lab when he examines some of the water under a microscope, he discovers that it contains hundreds of organisms.