Biology, intro to global systems

part of the earth in which life exists, including living things and the environments they live in.

(a)  

the scientific study of interactions among organisms, populations, communities, and their environments

(a)  

list the levels of ecological organization

Answer explanation

organisms, species, populations, communities, ecosystems, biomes, and the biosphere.

a group of similar organisms that produce offspring together

(a)  

same species living in the same area

(a)  

different populations in the same area

(a)  

a community and its physical environment

(a)  

similar ecosystems around the world form a/n

(a)  

the final level of organization

(a)  

what are the 3 main approaches that ecologists rely on and how do they relate

Answer explanation

observation leads to hypothesis, leading to experimentation and then modeling to better understand your results