Do you have any answer choices ? I have sort of an idea of what it may be I just want to be sure I don’t five an answer that is totally off
Explanation:
Ans. B
* I am not sure about this answer, if I am wrong pls correct my mistake.
Answer:
chlorophyll is the green pigment on the leaves of plant
In multicellular organisms, several cells of one particular kind interconnect with each other and perform shared functions to form tissues (for example, muscle tissue, connective tissue, and nervous tissue), several tissues combine to form an organ (for example, stomach, heart, or brain), and several organs make up an organ system (such as the digestive system, circulatory system, or nervous system). Several systems functioning together form an organism (such as an elephant, for example).
<span>Zookeepers
have a difficulty of keeping koala bears alive because Koala bears are
susceptible to viral infections. There is a virus that is present to Koalas
which is called the Koala retrovirus. Koala retrovirus makes a Koala bear more
susceptible to infections and even cancer. </span>
