Definition. noun, plural: (genetics, ecology) A group of organisms of one species that interbreed and live in the same place at the same time (e.g. deer population) (taxonomy) A low-level taxonomic rank. (statistics) A set of individuals, objects, or data from where a statistical sample can be drawn.
Answer: A. herbivorous birds that are able to migrate great distances.
Explanation:
Herbivorous birds that are able to travel great distances will simply fly from section to section to look for whatever food that they want.
The division of the forests is therefore irrelevant to these birds unlike other animals such as mammals which would have to travel great distances in order to get to another sector. Sectors would therefore keep such animals away from other organisms in other sectors in order to protect the uniqueness of both.
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1. Aurora
2. Ion
3. Thermosphere
4. Troposphere
5. Stratosphere
6. Ionosphere
7. Mesosphere
8. Ozone
9. Ozonosphere
The given statement "wilderness ecosystems are dynamic, complex, and often fragile, and may be impacted by human use and activities occurring both within and outside wilderness boundaries," is true.
Wilderness ecosystems
The wilderness ecosystem is the ecosystem that has been left undisturbed by humans. There are many areas on the planet that are considered wilderness such as the Great Barrier Reef, the Amazon forest, etc. They are rich in both flora and fauna diversity.
In the United States, a total of 42×
ha is under the protection of the National Wilderness Prevention System. They are the lands devoted to the protection of the natural ecosystem. Such an arrangement had to be made due to human encroachment and various other factors that affect the wilderness ecosystem. The main threats to the wilderness ecosystem are
- Using the land for recreational uses
- Grazing by livestock
- Forest fire
- Pollution
- Global warming
- Invasion of alien species
- The unnatural flow of water due to diversions, dams, impoundments, etc.
Learn more about ecosystems here:
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