The diatoms have flat geometric shapes and chains so they can increase their surface area. This will help them ? *

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.

The following hormone had their receptors in the cell membrane except a-insulin b-tsh c-gh d- cortisol

Will someone me with this.. specialized cells which perform a particular function form: tissues organs or organism