Three examples that biology can help in our everyday lives:
1. When you are faced with an animal, for example, a snake, you will know how to deal with it. You will examine what species that the snake belongs to and you will be able to identify its weaknesses.
2. When you are lost in a forest and that everything around you are plants and trees, you will know what kind of plant is edible or not and you can survive in the forest by utilizing what is available at your disposal.
3. You would also know what kind of food is good or not for the system. You will be able to analyze the kind of nutrient of the food you eat and how it will interact with your body system.
Answer and Explanation:
Observing population directly gives you accurate result .
Direct observation does not need any intermediary as they themselves go for survey.
So, it is cost efficient.
Whereas indirect observing may involve manipulations.
It requires someone or many to hire who helps in surveying.
It incurs cost.
Thus, direct observation is always better than indirect observation.
Speed up chemical reactions (Catalysts)
i think the most logical is A
because antibiotic resistant occurs when bacteria change in some way that reduces or eliminates the effectiveness of drugs, chemicals, etc