Match the appropriate labels to their respective targets.
a. hormonal stimulus
b. neural stimulus
c. humoral stimulus
d. humoral and/or hormonal stimulus
1. aldosterone production
2. parathyroid hormone production
3. testosterone production
4. epinephrine production

Hormonal stimulus testosterone production

Neural stimulus  epinephrine production

Hormonal stimulus  aldosterone production

Humoral stimulus  parathyroid hormone production

Explanation:

The correct matching for the given unmatched is given below

Hormonal stimulus testosterone production

Neural stimulus  epinephrine production

Hormonal stimulus  aldosterone production

Humoral stimulus  parathyroid hormone production

primary succession occurs in essentially lifeless areas regions in which the soil is incapable of sustaining life as a result of such factors as lava flows, newly formed sand dunes, or rocks left from a retreating glacier. secondary succession occurs

d. planting trees

the trees take in carbon to make oxygen.