When a skateboarder makes
a jump, how is the energy
transformed?
a. the chemical energy in from his food is
transformed into mechanical energy.
b. the thermal energy from his food is
transformed into mechanical energy.
c. the mechanical energy from his food is
transformed into chemical energy.

When is your respiration rate likely to change? a. when your intestines are digesting b. when your cells have too much glucose c. when your cells need more oxygen d. when your liver is working after a meal

Identify the terms using the following picture. principle of dominance item 1 can be described as the . item 2 can be described as the . the "p" represents from one parent.

Recombinant dna is the merging of dna from unrelated organisms to create new genetic varieties is assembled in the lab from mononucleotides was part of the green revolution of the 1960s is pollination of one plant by another of the same species is cross-pollination of one plant by a different species