Answer:
Cell,tissue,organ,organ system
Explanation:
I already took this test
I would go with the first option
Sustainability refers to how a system remains biodiverse and productive over long periods of time. Succession is a series of predictable changes that occur in a community over time. After a fire, volcano, or other disaster, succession enables an ecosystem to recover.
Answer:
Water, wind, and ice can also move pieces of rock or land to new places. The wearing away of a surface of rock or soil is called weathering.
Explanation:
The answer is Hox Genes. Just took the exam.