Multicellular organisms evolved from three different ancestral lineages: stramenopiles, unikonts, and archaeplastids. Of these, fungi and animals evolved from two different lineages of , and land plants are .

regents of the university of california v. bakke, 438 u.s. 265 (1978), was a landmark decision by the supreme court of the united states. it upheld affirmative action, allowing race to be one of several factors in college admission policy.

evidence and logical support is essential for a scientist to do in order to maintain credibility. this is because no one can believe without any logic and without any evidence.hence a scientist can maintain credibility by proving himself and by answering logically so experiments prove very beneficial. logical hypothesis give conclusion which is acceptable. therefore, there are two main factors to maintain credibility by a scientist is evidence and logical support.

examples of nucleic acids are deoxyribonucleic acid (dna) and ribonucleic acid (rna).