Question

in the space provided, write \true\ if the sentence is true. write \false\ if the sentence is false.

1. stimuli can come only from outside an organism.
2. in dim light, your pupils get smaller.
3. only living things can grow by themselves.
4. a response is like an answer to a message.
5. plants reproduce.
6. all living things are made up of more than one cell.
7. the thick stem of a cactus helps it survive in the desert.
8. all living things use energy.
9. only animals are made up of cells.

Explanation:

1. Stimuli can come from both inside and outside an organism, so it's false.
2. In dim light, pupils dilate (get larger) to let in more light, so it's false.
3. Only living things have the ability to grow independently through biological processes, so it's true.
4. A response is indeed how an organism reacts to a stimulus (message - like), so it's true.
5. Plants reproduce through various methods like seeds, cuttings etc., so it's true.
6. There are single - celled living organisms like bacteria, so it's false.
7. The thick stem of a cactus stores water which helps it survive in the desert, so it's true.
8. All living things require energy for metabolic processes, so it's true.
9. Plants, fungi, bacteria etc. are also made up of cells, not just animals, so it's false.

Answer:

1. false
2. false
3. true
4. true
5. true
6. false
7. true
8. true
9. false