Answer:
Before the industrial revolution, there wasn't much pollution/soot, and the moths were mostly light colored. When humans started using machines for everything, soot coated the trees and the light colored moths were easier for birds (predators) to see. The moths became mostly dark colored, because it was better camoflauge.
Now that we have environmental restrictions, there isn't as much soot everywhere. Now moths are mostly light colored again, because the dark moths are easier to see.
Only shallow earthquakes abundant near the ocean ridges because the crust here is shallow as a result of being located where new oceanic plate is being formed. Here, movement is much simpler and involves the new plate material spreading out from the central ridge.
Answer:
group of interacting populations in a defined place and the nonliving factors that affect them
Explanation:
An ecosystem is a group of interacting populations in a defined place and the nonliving factors that affect them.
An ecosystem can also be a natural unit composed of living and nonliving components whose interactions result in a stable self-supporting system. Ecosystems are generally categorized as either aquatic or terrestrial.
The blue Jay's situation because the humans are cutting down the trees therefore it's a human-included environmental change affecting the blue Jay's population
Answer: True.
Explanation: Tropospheric ozone is a major component of smog, which can worsen bronchitis and emphysema, trigger asthma, and permanently damage lung tissue. Tropospheric ozone exposure is responsible for an estimated one million premature deaths each year.