Answer:
active transport
Explanation:
I like to remember it by active transport has the name active, which means it requires activity
I think its the first one
The correct answer would be D.
After many generations, only those with genes suitable to live in harsh environments can live. These genes are passed onto their offspring and then we see a rise in antibiotic resistant strains of bacteria such as Methicillin Resistant Staphylococcus Aureus (MRSA).
Answer:
atria
Solution
the atria i believe is the upper chambers of the heart..