In biology, the biotic factors pertain to the living components of Earth while the abiotic factors are those non-living chemicals and physical factors. The only choice that is not an interaction between biotic and abiotic factors is the third choice, "C. male elk fighting over a female".
The answer is C- warm air rises and takes the heat with it, eventually it cools and sinks
Explanation:
Keystone species are animals that help manage other animal species by controlling population numbers and biodiversity within an ecosystem. The impacts of keystone species are usually greater than their numbers.
owls can be a great benefit to places where rodent populations are high. Dense urban areas often suffer from an abundance of rats and mice spreading disease, and rural agricultural communities have their crops consumed and soil eroded from burrowing voles and field mice. Without owls, and other top predators, rodent populations could explode and exacerbate the effects they produce.
My Answer: The death rate begins to fall, but birth rates remain high for a time.
Why?: Many of our countries are in Stage 2, that is why the government is concerned about our overpopulation.
Hope I helped! :D
The Pacific white-sided dolphins are well adapted to live in their environment. Two adaptations of the dolphins are:
1. Perfect Swimmers: The Pacific white-sided dolphins are perfect swimmers and they swim extremely well. they are very fast swimmers.
2. Sleeping with half a mind: Dolphins do not sleep completely. Half of their minds are always awake and they are attentive even when sleeping. This helps them from drowning in water.