The simplest level of biological organization at which something can considered "life" is? a. atoms b. molecules c. cells d. tissues e. ecosystems 2. the main purpose of any single experiment is to a. explains an observation. b. prove unambiguously that a particular hypothesis is correct. c. gives know-it-all college professors something to do. d. answer as many key questions as possible. e. tests a prediction that is based on a hypothesis.

answer: national resource conservation services

national resource conservation services is the us. based approach that provides technical and financial assistance for natural resource management. nrcs society in conservation of resources by involving in activities like farmland protection, flood prevention, watershed protection, urban conservation, conserves economic and environmental conditions. it conducts soil surveys and implements the policy of natural resources management on the society.

the food storage products of chrysophytes are oils or the polysaccharide laminarin.   formerly classified as plants, the chrysophytes contain the photosynthetic pigments chlorophyll a and c all but the yellow-green algae also contain the carotenoid pigment fucoxanthin.