Studying Life
What does "biology" mean?
The study of life
Biosphere
The information gathered from observations is _.
Data
Which metric unit do we use to measure mass?
a. gram
b. liter
c. meter
grams
The smallest unit of most chemical compounds are groups of atoms called .
molecules
All organisms are made of...
cells
The _ is the smallest functional unit of living things.
cell
Recording plant height measurements over a 4-week period is an example of gathering _ data.
quantitative
Which metric unit do we use to measure volume?
a. mass
b. degrees Celsius
c. liters
liters
Organisms need ____ for life's activities such as moving, growing, and reproducing.
A combination of parts can form a more complex organization called a...
System
The smallest unit of most chemical compounds are groups of atoms called _.
Molecules
In a controlled experiment, the _ variable is the one that is deliberately changed by the experimenter.
independent
Which metric unit do we use to measure length?
a. grams
b. liters
c. meters
meters
Gathering information about events of processes in a careful, orderly way is the process of .
observation
The ability of organisms to maintain relatively stable internal conditions is called...
Homeostasis
A _ is composed of all the members of one type of organism that live in an area.
Population
An _ is a logical interpretation based on prior knowledge.
Inference
The type of microscope that focuses light rays to magnify images up to 1000 times is a _ microscope.
compound light
Put the following terms in order from simplest to most complex.
a. cell
b. organelle
c. organ
d. tissue
b, a, d, c
organelle, cell, tissue, organ
Some birds have long, thin beaks that can be used to drink nectar or eat insects. This is an example of what theme of biology?
Form and function
All the chipmunks in a forest make up a _. All the chipmunks, squirrels, birds, and other living things in the forest make up a _.
1. Population
2. Community
A scientific _ summarizes a hypothesis or group of hypotheses that have been supported with repeated testing.
Theory
To see the internal or surface details of a cell, a scientist must use an _ microscope.
electron
Put these steps of the scientific method in the correct order.
a. form a hypothesis
b. collect and analyze data
c. make an observation
d. draw a conclusion
e. ask a question
f. set up a controlled experiment
c, e, a, f, b, d