Design a balance that finds mass by comparing the mass of known object to the mass of an known object to the mass of an unknown object. study the triple- beam balance used in this activity and think about how you could balance two or more objects. construct your balance and use it to find the mass of an object. how could you improve your balance?

Agenus is a taxonomic grouping that identifies a collection of species. when a scientist discovers a new species, how is this species assigned to a genus

8) animals respond in various ways to stimuli detected through their senses. some of these responses are stimulated by the presence of danger. which of these animal responses is the best example of a response to an immediate threat? a) a rooster crows every morning at the first sign of light. b) as something approaches an octopus, it shoots a cloud of ink. c) from late fall until spring, bears hibernate to preserve energy. d) a dog is getting hot in the sunlight, so he moves to a shaded area.

What should be the strand of complementary dna produced by the strand of dna shown below cgt ata