Which one is an advantage of a multicellular organism? a. specialized cells perform specific functions. b. smaller cells operate more efficiently. c. different types of cells do not need to communicate. d. the cells are simpler.

The earth consists of a variety of different organisms. despite their diversity, however, some similarities on the structural and metabolic levels may be seen. these similarities can be attributed to a. similarities among organisms in their proteins and nucleic acids. b. the ability of organisms to readily adapt to sudden environmental changes. c. similarities in organisms' habitats and niches. d. the ability of all organisms to interbreed and produce new species.

Which if the following best describes why invertebrates isn’t considered a scientifically valid word when classifying animals

Adehydrated patient has high water concentration in her urine and high adh concentration in her blood. which of the following is likely malfunctioning in the patient? a. pituitary gland b. urinary bladder c. kidney tubules d. circulatory system