Introduction to Life Study Guide bI

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?