Multiple choice

The hormonal substances, released by the exocrine glands in the external environment, which serve as a means of communication between members of a particular species are called __________.

  1. neurohormones

  2. neurotransmitter

  3. pheromones

  4. phytohormones

  5. none of these

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The hormonal substances, released by the exocrine glands in the external environment, which serve as a means of communication between members of a particular species are called pheromones.