Question

19. The most obvious and complicated feature of all living organism is1. The ability to sense their surroundings or environment and respond to these environmental stimuli.2. Reproduction- sexual and asexual- for production of progeny of own kind.3. The ability to growth in size due to cell division.4. Presence of complex organ system.​

Answer 1

Answer:

Explanation:the ability to sense their surroundings or environment and respond to environmental stimuli which could be physical, chemical or biological.

there its the first option-