Adult birds of one species hatched eggs of another species along with their own eggs, and
raised all of the babies together. the foster chicks use a different warning cry than the
other chicks. what can you infer about this warning cry?
a. it results from instinct.
b. it results from imprinting.
c. it results from trial-and-error learning.
it results from conditioning.

An exothermic reaction is conducted in an insulated calorimeter filled with water. the calorimeter is then sealed so that there is no heat exchanged between the contents of the container and the surrounding air. which of the following statements is true about the reaction?

What layer of the atmosphere is directly above the troposphere?

Which statement correctly describes the phosphate ion, ? it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a –3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a –3 charge on the phosphorus atom. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a –3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a –3 charge on the phosphorus atom.