Answer:
A number of human activities can impact on the water cycle: damming rivers for hydroelectricity, using water for farming, deforestation and the burning of fossil fuels
Explanation:
A. The white blood cells of the immune system fight and destroy <span>pathogens is the correct answer to how the immune system and circulatory system work together to fight infection. </span>
Based on their genotype, he could deduce which parent plants would create offspring with a certain type of characteristic.
Answer:
Behavioral isolation
Explanation:
The reproductive isolation refers to the mechanism which prevents the interbreeding between the organism. The mechanisms of reproductive isolation can be categorised into two types: The pre-zygotic and post-zygotic barriers.
The prezygotic isolation mechanisms are the behavioural, the habitat, mechanical and gametic isolation.
In the given question, the type of mechanism involved in the population of frog will be the "behavioural isolation" as the population of frog differ in their behaviour of mating ritual or mating calls which does not allow the frogs to mate.
Thus, Behavioral isolation is the correct answer.