State two reasons for classifying organisms

helps us to learn about different kinds of plants and animals, their features, similarities and differences.It enables us to understand how complex organisms evolve from simpler organisms

Explanation

step by step

Two reasons for classifying organisms:

1) It helps in the identification of living organisms as well as in understanding the diversity of living organisms

2) Also helps us learn about different kinds of plants and animals e.g their features, similarities & differences

Hope this helped you- have a good day bro cya)

i think it would be b. tissue because an organ system is a group of organs that work together to perform one or more functions. each does a particular job in the body, and is made up of certain tissues.

blood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium of the heart. as the ventricle contracts, blood leaves the heart through the pulmonic valve, into the pulmonary artery and to the lungs where it is oxygenated.