Question

which of the following is a characteristic of all organisms? a all organisms are composed of more than one cell. b all organisms respond to their environment. c all organisms reproduce sexually. d all organisms make their own energy.

Explanation:

• Option a is incorrect as there are single - celled organisms.
• Option b is correct as the ability to respond to the environment (irritability) is a fundamental characteristic of all organisms.
• Option c is incorrect since many organisms reproduce asexually.
• Option d is incorrect because only autotrophs can make their own energy, while heterotrophs cannot.

Answer:

B. All organisms respond to their environment.