The number of primary consumers would increase because they would not get eaten.
It is positive because our body needs 37C to perform metabolism properly so sweating helps to balance the temperature. We lose water but water is generally provided to body by drinking or any food that has water.
The conversion of light energy into chemical energy is dependent on the substance chlorophyll
Giraffes and Elephants: Giraffes have adapted a long neck over time letting them eat and access food allowing them to survive. If a dry season was unusually long they would succeed fine because they are able to eat and drink from the trees. Elephants have survived with similar tactics of eating higher up, they have rough skin allowing them to outlast the heat, and only need water after long periods of time.
