It is important that the subject does not know when the respiratory rate is being assessed because his or her knowledge might lead to the unreliability of the results. For example, the subject might get anxious and his or her breathing rate might increase, or vice versa.
Answer:
phototropism only happens after plants move from darkness into the light (false)
Answer:
Harpy Eagle, bats, snakes, butterflies, and various insects.
Explanation:
Answer:
the branch of science concerned with classification, especially of organisms; systematics.
Explanation:
Because the surface of a leaf is smooth if the surface was rough the water would get stuck but it is smooth so the water just rolls off