1.
Biological community of interacting organisms
2.
Amount of organic mass in an ecosystem
3.
Organisms' natural home or environment
4.
Large, regional habitat of flora and fauna
5.
Ecological process that cycles nutrients over time
6.
Formation of new species due to env. change
7.
Travel & vacation that supports sustainability
8.
Wolves of Yellowstone are this type of species
9.
Species indigenous to the given ecosystem
10.
Species that are introduced to an ecosystem
11.
Species with no living members remaining
12.
Species dwindling toward extinction
13.
Adaptations that position a species in its ecosystem
14.
Separate or break apart into component parts
15.
Branch of biology: how populations interact
16.
Environment lacking oxygen
17.
Variety and variability of life
18.
Practice of responsibly using natural resources
19.
These relationships benefits at least 1 organism
