Introduction to Life Study Guide
Study of life is known as? |
How are genes used by organisms? |
Which characteristic of living things relates to stability? |
What does homeostasis mean? |
What is ecology? |
How do heterotrophs obtain energy? |
List distinct properties of living things. |
What is the smallest unit that can carry on life called? |
What are all living things made of? |
Which of the following are characteristics of ALL living things — growth, development, cellular organization, & movement? |
A scientist noticed that bacteria weren’t growing in some test tubes. Is this observation, hypothesis, or experimentation? |
The scientist suggests that bacteria aren’t growing in some test tubes because they aren’t getting the nutrients they need. Is this observation, hypothesis, experimentation, or conclusion? |
A scientist adds a different nutrient to half of the test tubes in which he is growing bacteria. Is this observation, hypothesis, or experimentation? |
Define hypothesis. |
What is a theory? |
A hypothesis is rejected if it does not explain what? |
When scientists are planning experiments, do they have a good idea of the possible results? |
If new evidence emerges, do theories change? |
Are theories supported with some scientific knowledge? |
Are theories proved scientific ideas? |
For scientists to communication with each other about their data, what do they do with their data? |
How do scientists organize data? |
If a microscope has a 30X objective lens & a 10X ocular (eyepiece) lens, what is its magnification? |
What are the base units for each of these SI measurements — length? second? volume? mass? |