Cell membrane allows some material to pass through it while on the same time it blocks other material from entering through it
Answer:
A. the digestive, muscular, and respiratory
Explanation:
Muscle weakness affects the muscular system (muscles are in the muscular system) , stomach pain affects the digestive system (stomach is a part of the digestive system), and coughing affects the respiratory system (coughing hinders the ability to breathe properly).
Answer:
B, food production
Explanation:
The plant is producing food for itself
A sex link trait is connected with a <span>tiny chemical assembly instruction inside of living things </span>that is carried only by the male or female <span>parent. Such as the x and y chromosomes.</span>