Answer:
D
Explanation:
Index fossils are the basis for defining boundaries in the geologic time scale and for the correlation of strata. They also have a wide geographic distribution and a short range through time
Answer:
Well, if all the herbivores disappeared, multiple things could occur. Without anyone keeping plants in check, plants may grow too abundant and may be harmful to the food web. Not only that, but predators that eat herbivors might starve without food. On the plus side, natural resources like water would increase without herbivores drinking/using it.
I hope this helps :)
Explanation:
Answer:
Correct answer is B
Explanation: I believe an Ecosystem is community of living organisms where non living systems of their environmental. Biotic and Abiotic components are together nutrient cycles and energy flows. There are types of Ecosystems such as Tundra, Desert, Cropland, and Rainforest..etc
Answer:
Large rain events
Explanation:
They can also rapidly circulate the water in a lake or pond, causing changes in the position of oxygen rich water in a short period of time. This quick 'turnover' of the water can quickly decrease the amount of oxygen available to fish, essentially causing them to suffocate.
