A student creates a model of a closed ecosystem by filling a glass tank half full with water, then adding 10 snails and two small aquatic plants. the next day, all the snails are dead. what is the most likely cause of their death?

When would a cell need to copy or replicate its dna?

Which example describes animals living in a social hierarchy

What definition of realism in theater?

Carbon atoms have four valence electrons are they likely to react with other atoms and why or why not? A. yes but only with other stable atom B. no, because they have an even number of valance electrons do they are already stable C.

Which statement describes the reaction for cellular respiration?

What does the correlation coefficient indicate about the similarities between the gene expression profile for mike smith and the gene expression profile for patient 4?

Compare and contrast to process of translation of mRNA into a protein on a ribosome between prokariots and eukariots. Focus on the phases of initiation, elongation, and termination, and the different factors that were involved in each of these steps.

In a multicellular organism what accounts for the differences between the different types of cells

A nurse is preparing to suction a client nasotracheally. what actions will the nurse plan to do? select all that apply a. turn on the suction device and set the regulator at 240 mm hg b.

What are some facts abt Neptune & Uranus?