The birds, because we can see from the food web that the bird eats both grain, a producer, and grasshoppers, a consumer.
Transpiration occurs on plants. So the answer is D. Leaves
Answer:
c
Explanation:
plants create growth by converting sunlight into energy, but all organisms need cellular respiration
Remember that a controlled variable is a variable that stays the same thoughout the experiment.
it wouldn't be a. because two different wires were used
the final length of the wax would be your dependent variable, so it wouldn't be c.
the thermal conductivity is the independent variable so it isn't d.
the original length of the wax was the same for both.
So B is your answer.
