Question

give one example for it.


pls guys pls help me with this pls​

Answer 1

Answer:

1)Fish

2)sundial

3)yeast

4)human (on faces)

Answer 2

Answer:

1-fish

2-water clock

Explanation:

1-A gill is a respiratory organ found in many aquatic organisms that extract dissolved oxygen from water and excretes carbon dioxide.complex or more active aquatic organisms usually require a gill or gills for respiration.  Gills has neither terrestrial nor pulmonary respiration because terrestrial respiration refers to respiration on land and pulmonary respiration refers to respiration facilitated by lungs. Hence, respiration by gills is neither terrestrial nor pulmonary.

2-Clepsydra, also called water clock, ancient device for measuring time by the gradual flow of water. One form, used by the North American Indians and some African peoples, consisted of a small boat or floating vessel that shipped water through a hole until it sank.