Historia De Honduras
Páginas: 2 (359 palabras)
Publicado: 27 de noviembre de 2012
Name______________________________
Class __________________
Date ______________
Chapter 3 The Biosphere
Section 3–1 What Is Ecology?
(pages 63–65)
This section identifies thedifferent levels of organization that ecologists study. It also describes methods used to study ecology.
Interactions and Interdependence
(page 63) 1. What is ecology? It is the scientific study ofinteractions among organisms and between organisms and their environment.
2. What does the biosphere contain? It contains the combined portions of the planet in which
all of life exists, includingland, water, and atmosphere.
Levels of Organization
(page 64)
3. Why do ecologists ask questions about events and organisms that range in complexity from an individual to the biosphere? Theyask those questions to
understand relationships within the biosphere.
4. Complete the table about levels of organization.
LEVELS OF ORGANIZATION
Level Species Definition A group of organisms sosimilar to one another that they can breed and produce fertile offspring
© Pearson Education, Inc. All rights reserved.
Population
A group of individuals that belong to the same species andlive in the same area
Community
An assemblage of different populations that live together in a defined area
Ecosystem
A collection of all the organisms that live in a particular place,together with their physical environment
Biome
A group of ecosystems that have the same climate and dominant communities
Name______________________________
entire biosphere itself.
Class__________________
Date ______________
5. What is the highest level of organization that ecologists study? The highest level is the
Ecological Methods
a. Observing
(page 65)
6. What arethe three basic approaches scientists use to conduct modern ecological research? b. Experimenting c. Modeling 7. Why might an ecologist set up an artificial environment in a laboratory?
An ecologist...
Class __________________
Date ______________
Chapter 3 The Biosphere
Section 3–1 What Is Ecology?
(pages 63–65)
This section identifies thedifferent levels of organization that ecologists study. It also describes methods used to study ecology.
Interactions and Interdependence
(page 63) 1. What is ecology? It is the scientific study ofinteractions among organisms and between organisms and their environment.
2. What does the biosphere contain? It contains the combined portions of the planet in which
all of life exists, includingland, water, and atmosphere.
Levels of Organization
(page 64)
3. Why do ecologists ask questions about events and organisms that range in complexity from an individual to the biosphere? Theyask those questions to
understand relationships within the biosphere.
4. Complete the table about levels of organization.
LEVELS OF ORGANIZATION
Level Species Definition A group of organisms sosimilar to one another that they can breed and produce fertile offspring
© Pearson Education, Inc. All rights reserved.
Population
A group of individuals that belong to the same species andlive in the same area
Community
An assemblage of different populations that live together in a defined area
Ecosystem
A collection of all the organisms that live in a particular place,together with their physical environment
Biome
A group of ecosystems that have the same climate and dominant communities
Name______________________________
entire biosphere itself.
Class__________________
Date ______________
5. What is the highest level of organization that ecologists study? The highest level is the
Ecological Methods
a. Observing
(page 65)
6. What arethe three basic approaches scientists use to conduct modern ecological research? b. Experimenting c. Modeling 7. Why might an ecologist set up an artificial environment in a laboratory?
An ecologist...
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