They can accidentally catch dolphins, turtles, even orcas. Greenpeace is actively trying to get them banned.
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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Answer/Explanation:
<u>Darwin's</u> <u>theory </u>of evolution refers to how the characteristics and features of a species can change over time. The process of evolution occurs due to <u>natural selection</u>. Natural selection is the mechanism by which organisms that have inherited beneficial traits are more likely to survive and undergo <u>successful reproduction</u>, meaning that variation is passed on to the next generation.
For example, in a species that suffers from overpopulation, organisms will likely have to compete for food and might <u>struggle to survive.</u> However, if a random change in the DNA sequence occurs, it could provide a beneficial effect to an organism that makes it more likely to find food and outcompete others. This makes that individual more likely to survive and reach mating age. This i<u>nheritable variation</u> could then be passed on to that individual's offspring.
Answer:
There are in fact 3 different cells that make up the kidney
Explanation:
The Kidney glomerulus parietal cell.
Kidney glomerulus podocyte.
Kidney proximal tubule brush border cell.
