Answer:
1. They make up part of a negative feedback system that promotes insect population growth.
Explanation:
If the Martin becomes extinct, it will cause an increase in insect population, as there is no predator to maintain the population. A population growth of insects would be a problem as it will destroy crops and agriculture.
A. cool down
The evaporation of perspiration from the skin helps to cool down the body.
Answer: Option A.
Explanation:
Uneven heating of the Earth surface is talking about convection. This lead to some part of the atmosphere to be warmer than the other part and there is alterations in volume and pressure which can influence weather, updrafts and cause thunderstorm.
The formation of convection currents in the atmosphere influence weather and are caused by the uneven heating of Earth’s surface by sunlight.
Hmm, I think it's because bacteria is asexual, meaning it can reproduce on it's own.