Explanation:
HONEY BEE QUEEN'S ROLE IN THE COLONY
The Queen Bee plays a vital role in the hive because she is the only female with fully developed ovaries. The queen's two primary purposes are to produce chemical scents that help regulate the unity of the colony and to lay lots of eggs.
D. is correct: Koalas evolved after trout.
(A is false, B is also false bc amoeba are unicellular, C is false too, they are definitely not in the same class)
During hybridization, <span>B.) two organisms with desired traits are bred together. A hybrid by definition is a combination of two different genes making an entirely new set of individual. Hybrid can be seen in animals that have different characterisitcs or plants </span>
Buffers absorb the free hydrogen ions and hydroxide ions that result from chemical reactions. Because they can bond these ions, they prevent increases or decreases in pH. An example of a buffer system is the bicarbonate system in the human body.