Answer:
A
Explanation:
At the start of a drought, groundwater may not be noticeably lower (not B). Only aquifers near the ocean may become contaminated with salt water (not C). And it is definitely not D.
A positive choice to make to impact one's health is to simply wake up in the morning and get ready, and take time on yourself. That will ensure that you appreciate yourself and will give you a positive mentality throughout the day.
A negative choice to make to impact one's health is to constantly over-think situations, causing stress and an unhealthy state of mind.
Answer:
Prezygotic barriers:
1. Habitat isolation
2. Behavioral isolation
Explanation:
Pre-zygotic barriers are the barriers which do not allow the formation of the zygote in the organisms.
The two mechanisms of the pre-zygotic barriers are the:
1. Habitat isolation: the Flycatchers do not share the same habitat which is also mentioned in the question that they live on different islands.
2. The behavioural isolation: the Flycatchers could have evolved the different mating rituals as a result of which the could not interbreed.
Thus, Habitat isolation and Behavioral isolation are correct.
