Answer:
Answers 1, 2, and 4
Explanation:
3 is incorrect because every organism is made of cells, not just unicellular organisms. these organisms do, however, have one cell that carries out all functions for the organism.
5 is incorrect because plants are multicellular organisms and thus have more than one cell.
A. They impede fish migration and spawning
Explanation:
To check your pulse at your wrist, place two fingers between the bone and the tendon over your radial artery — which is located on the thumb side of your wrist. When you feel your pulse, count the number of beats in 15 seconds. Multiply this number by four to calculate your beats per minute.