B is the answer to your question.
<span><u>a large group of plants and animals living together in a specific climate</u></span>
Biome is an area where living things adapt to survive, mainly these are the weather, geological area, temperature, resources available and etc.
Example:
in the desert area, most decomposers have a hard time to stay alive in the place because it’s hot and dry. Most decomposers prefer moist area. Here are lists of the decomposers in the desert that manage to stay alive despite of the place risk.
Answer:
B. Smaller and more mobile gametes
Explanation:
3 mutation. Mutation is when a gene is changed with no apparent cause mutation is your answer :}
