Answers to Living Organisms Exercises

Let’s see how you did! If you didn’t get a few of these, don’t let it stress you out – it just means you need to play with more experiments in this area. We’re all works in progress, and we have our entire lifetime to puzzle together the mysteries of the universe!

Simply click here for printable questions and answers.

Answers:
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1. A method of answering questions based on evidence
2. They must change their way of thinking
3. Answers could include anything noticed using the five sentences
4. They are guesses because they haven’t been proven, but they are educated because they are based on some research.
5. No, because it is not provable (Remember that the problem is not that you might think this hypothesis is silly. If you could somehow prove it, it would be a valid hypothesis to test.)
6. No
7. This allows you to see what scientists already know about the topic
8. It is useful to look at what person or organization made the site, and determine if they are trustworthy and knowledgeable.
9. No, they plants might have grown just as well without the rap music
10. It is missing a control group. This group of plants should get the sunlight and water, but not the rap music.
11. Creating web sites, writing scientific articles, or giving lectures
12. This allows other scientists to do their own experiments based on the first scientist’s results.
13. To represent things that can’t easily be seen
14. Answers could include reducing blood flow, sweating, or shivering.
15. Parents pass on traits to their offspring
16. The smallest parts of living things still considered alive
17. Autotrophs create their own food; heterotrophs do not
18. Because there are so many of them, they have to be organized in some way
19. More similar
20. The genus
21. They are the same everywhere in the world, no matter what language is spoken

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