Question

question 15: the study of how living things depend on one another and their environment is called:
a) geology
b) biology
c) ecology
d) chemistry
question 16: which level of organization is directly above a population?
a) organism
b) ecosystem
c) community
d) biosphere

Explanation:

• For Question 15: Ecology focuses on the relationships between living organisms and their environment. Geology is about Earth's physical structure, Biology is the study of life in general, and Chemistry is about matter and its reactions.
• For Question 16: In biological organization, a community is made up of multiple populations of different species living in the same area. An organism is below a population, an ecosystem includes a community and its abiotic factors, and the biosphere is the global sum of all ecosystems.

Answer:

Question 15: C. Ecology
Question 16: C. Community