Which of the following process in cell does not require energy from cellular respiration a, synthesis of proteins c
b, muscle contraction
c, osmosis
d, conduction of nerve impulse

Where is having brightly colored feathers that attract mates most clearly an adaptation for a bird? a. a forest with dense vegetation b. a sandy beach beside an ocean c. a snowy tundra with little vegetation d. a swamp with many hawks that eat birds