Answer:
Explanation:
Let's evaluate each choice. Remember we are looking for an event to <em>decrease</em> the genetic variation and population.
A. Yellowstone expanded its borders
- If the park expanded, it's likely the population would increase. There would be more space and resources for the deer.
B. A population of wolves was introduced
- A wolf is a predator that preys on deer. If they were introduced, they would use the deer as a food source and decrease the population.
B seems like a good answer, but let's check the others.
C. The amount of disease in the deer population decreased.
- This would help the deer population. Less disease means fewer deaths and a greater population.
D. More grass and shrubs were planted in Yellowstone
- Deer are herbivores, so grass and shrubs would provide more food. This would keep the deer nourished and healthy, meaning a greater population.
The best answer choice is B: A population of wolves was introduced into Yellowstone National Park
A is the answer to this question
Answer:
Hypoxic water got into their waste intact and got into their plants such as the algae, which caused the algae to rot
Answer:
Dynamic ecosystem refers to the ever changing cycles of our diverse ecosystems.
Explanation:
They are dynamic for both tor the smallest to the largest changes. These changes or dynamics are necessary for the ecosystem to survive.
The answer is true [axix,phases,andtiltation]