Answer:
-People's activities can improve the health of an ecosystem.
-Plants produce food for ecosystems.
-Predators keep ecosystems healthy.
Explanation:
-People can have significant impacts on ecosystems, and while human influence is typically thought of as destructive, we can also help keep an ecosystem healthy by not disrupting natural patterns.
-Plants produce food for many consumers in an ecosystem and are a source of food for large numbers of organisms that exclusively consume plantes.
-Predators are healthy for an ecosystem because they prevent the overpopulation of any one species.
Because Cyanobacteria appeared
Cyanobacteria's excrement formed a lot of oxygen in the atmosphere which make the earth temperature cold
This allow a liquid water to formed on the surface ( because if the temperature is too high, the water will evaporate) and eventually formed oceans
Answer:The Trans Pecos
Explanation:The Guadalupe Mountains and the Davis Mountains are located in this ecoregion, making it the most mountainous area of Texas. In general, soil in this region is eroded due to the decline of grasslands.
I think water shortages happen when the recycling water process is too slow, or when the water is used up too fast.
