Ecology Study Relationships Flashcards
Ecologists study environments at:
Different levels of organization.
An organism is an?
Individual living thing.
What is a population?
Is a group of the same species that lives in one area.
A community is a?
Group of different species that live together in one area.
An ecosystem includes?
All of the organisms as well as the climate, soil, water, rocks and other nonliving things in a given area.
A biome is a?
Major regional or global community of organisms characterized by the climate conditions and plant communities that thrive there.
Ecological research methods includes?
Observation, experimentation, and modeling.
Observation is the act of?
Carefully watching something over time.
Observations of populations can be done by?
Visual surveys.
Directs surveys for?
Easy to spot species employ binoculars or scopes.
Indirect surveys are used for?
Species that are difficult to track and include looking for other signs of their presence.
Experiments are performed in:
The lab or in the field.
Lab experiments give researchers more?
Control
Lab experiments are:
Not reflective of the complex interactions in nature.
Field experiments give a:
More accurate picture of natural interactions.