Answer:
The correct answer would be B) theory: hypothesis.
A hypothesis refers to the proposed or tentative explanation of any physical or natural process.
It usually provides the first step of any research or experiment.
It is highly testable as it is tested with the help of a number of scientific experiments and observations et cetera.
In contrast, a scientific theory is a well-proven explanation of aspects of the natural world. It is based on facts which have been confirmed through experiments and observation.
I couldn’t see the options to choose from but that sounds like natural selection.
Well to be fair no matter what happens, a will always happen no matter how wholly fold is chewed. However because chime is the byproduct of chewing and saliva. Your body must be able to break down the food into a smaller and easy to absorb form so if you can't do it with the mouth, the stomach is just going to have to do the job.
So "D" is the correct answer
Firstly, we need to know what a healthy ecosystem is. When an ecosystem is healthy, this would mean that it could supply all the resources that all organisms present in it and with all the resources, there is diversity. Old growth forests are considered healthy because of this reason. These forests remain untouched and had remained in providing the resources needed for the organisms present in it.