Answer:
Explanation:Explanation: Classification of organisms is a hard task cause many organisms have their differences and similarities, whereby making it very complicated in classifying organisms.. All living organisms are classified into groups based on very basic, shared characteristics
Processes by which organisms produce food
Answer:
Ground water
Explanation:
We gave it a simple name, its just water in the ground.
is important to the transmission of nerve impulses.
a) Zinc
b) Calcium
c) Sodium
d) Iron

Answer:
excretory system
Explanation:
The excretory system is the system of an organism's body that performs the function of excretion, the bodily process of discharging wastes. ... There are several parts of the body that are involved in this process, such as sweat glands, the liver, the lungs and the kidney system. Every human has two kidneys.