Some complex multicellular organisms are organized at four levels to increase efficiency. what is the correct order of organization, from the simplest to the most complex?

a.
organ, tissue, cell, organ system

b.
cell, organ, organ system, tissue

c.
tissue, cell, organ system, organ

d.
cell, tissue, organ, organ system

Which of the following statements most accurately describes convergent evolution? the process in which two similar species evolve separately from each other and share similar characteristics the process in which a single species evolves into two or more new species the process in which two entirely different species evolve in response to each other the process in which two different species evolve separately from each other but still share similar characteristics

Staining is an important way to improve what aspects of microscopy?

Apea plant that is heterozygous for the tall phenotype can produce short offspring when self pollinating. which of the following explains why this occurs? a. segregation of alleles b. condominance of traits c. polygenic expression of traits d. independent assortment of alleles