what may happen to an ecosystem if nonliving factors change or if one more populations are removed from or added to the ecosystem?

What ecosystem factors are you considering? Rainfall? Temperature? Volcanic eruptions?

What population(s) are you considering deleting?

If one or more populations are removed from an ecosystem, it will be harder for other populations to survive as well. This is because other populations might lose a source of food, and because of this, their population will eventually go down by a significant amount.

With the nonliving factors, such as water, a similar concept applies. With lesser water, it will be harder for animals to survive.

When nonliving factors, such as climate, temperature, or water availability, change in an ecosystem, it can have significant impacts on the organisms within it. Similarly, the removal or addition of populations can also result in various consequences. Let's explore both scenarios in more detail:

1. Nonliving factors change:
- Climate change: Alterations in temperature or precipitation patterns can affect the natural cycles of ecosystems. For example, an increase in temperature might lead to the melting of polar ice caps, which could result in the loss of habitat for polar bears.
- Water availability: Changes in rainfall patterns or the availability of water sources can disrupt the balance within ecosystems. Reduced water availability could lead to decreased plant growth, impacting herbivores that rely on those plants for food.
- Natural disasters: Events like hurricanes, earthquakes, or wildfires can cause sudden and drastic changes in ecosystems. They can destroy habitats, displace populations, and alter the overall structure and function of an ecosystem.

2. Population removal or addition:
- Species removal: When a population is removed from an ecosystem, it can have cascading effects on other populations. For instance, if a predator is eliminated, the prey population may increase exponentially, leading to overgrazing or depletion of food resources, which may then affect other organisms in the food chain.
- Species addition: Introduction of new populations into an ecosystem can disrupt the existing balance. Non-native species can become invasive and outcompete native species for resources, leading to a decline or even extinction of local species. This imbalance can affect the overall functioning of the ecosystem.

To understand specific impacts in a given ecosystem or predict potential outcomes, ecological studies and research are conducted. These studies involve observing and measuring changes in population numbers, species interactions, and ecosystem dynamics over time. By analyzing these data, scientists can gain insights into the potential consequences of nonliving factor changes or population removal or addition, helping us better understand and manage ecosystems.