Energy input would be what's giving the source energy. Energy output is what energy it's giving out.
D. It occurs before an organism can reproduce. Meiosis is the replication of sex cells required for sexual reproduction to occur.
Chloroplasts because that is the substance that gives leaves its green colour and also helps in photosynthesis
A sedimentary rock is bits of broken up rock
Answer:
Stop intruders from harming the body
Explanation: