1. Explain internal and external signs of dehydration in animals.

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.

During endocytosis, cells expel what they don't need take in what they need shrink due to loss of water

Mutations associated with albinism affect proteins involved in synthesis