Which is an example of an adaptation?

white hair of adult polar bears

Which best describes the difference between an observation and an inference?

you can record an observation, an inference is an idea

Which should a scientist conclude about data that are inconsistent with current understanding?

Inconsistencies in the data warrant further investigation.

Which is most likely not a beneficial contribution made by biologists?

Biologists improve the durability of non-stick coatings

Which inference might Luisa make after watching the wildlife around her birdfeeder?

Birds and squirrels compete for the same food sources.

Which is an example of a stimulus and the accompanying response of an organism?

a rat scurries past, and a a python strikes at it

Which correctly sequences the steps of the scientific method?

observe,question,testable explanation,test,data,findings

Which is an inference?

After watching for a week, you decide it needs more sunlight

Living things do all of the following except...

pass identical genetic code to generations of offspring

What is the basis of the metric measurement system?

Its measures are based on divisions that are powers of ten.

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Biology I: Chapter 1 - Study of Life

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Review for Chapter 1 Test

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Questions 23

Answers

1
Which is an example of an adaptation?
new foods found by squirrels
viruses passed to humans
white hair of adult polar bears
bald spots on an old cougar
2
A testable explanation of a situation is called?
experiment
hypothesis
observation
inference
3
Which best describes the difference between an observation and an inference?
an observation is a conclusion, an inference is a hypothesis
an observation is based on evidence, and inference is not
you can record an observation, an inference is an idea
you make an inference before you make an observation
4
Which should a scientist conclude about data that are inconsistent with current understanding?
Inconsistencies in the data warrant further investigation.
The data reflect the flaws in current, scientific bias.
A new idea or theory should be devised to fit the new data.
The data are flawed and should be discarded or ignored.
5
Which is most likely not a beneficial contribution made by biologists?
Biologists improve the durability of non-stick coatings
Biologists improve the life expectancy of humans.
Biologists improve the nutritional content of food.
Biologists improve the soil used for agriculture
6
Which defines a hypothesis?
observed inference
testable explanation
educated guess
accepted idea
7
Which of the following results from quantitative analysis of Figure 1-1?
There are 8 offspring
There isn't enough food
These are the first offspring these rabbits have had
The babies are cold
8
Which inference might Luisa make after watching the wildlife around her birdfeeder?
Birds and squirrels compete for the same food sources.
Ten birds come every morning to feed at her bird feeder.
Squirrels run very quickly up and down trees.
Different birds come to the bird feeder each day.
9
Which is an example of a stimulus and the accompanying response of an organism?
a wildebeest crosses a river during migration
an earthworm burrows into new, rich soil
a hawk grabs a branch to gain a perch
a rat scurries past, and a a python strikes at it
10
Which correctly sequences the steps of the scientific method?
question, observe, explain, experiment, analyze data, report
design/conduct investigation , hypothesis, data, findings
Hypothesis, observe, investigate question, data, results
observe,question,testable explanation,test,data,findings
11
What time period according to the table would provide the most flowering plants?
5-6 days
8-9 days
6-7 days
7-8 days
12
Which is the metric unit for thermodynamic temperature?
ampere
mole
candela
kelvin
13
Which is an inference?
After watching for a week, you decide it needs more sunlight
Every day for a week, you collect data on a plant's movement
You measure a plant's height every day of the week.
You give a plant the same amount of water every day.
14
You are planning to participate in a walkathon. Which temperature would be most comfortable?
400C
600C
200C
00C
15
A group of organisms that can interbreed and produce fertile offspring is a......
species
family
community
organization
16
Which helps maintain a dog's homeostasis?
panting
eating
hunting
sleeping
17
Testing the effect of blue-colored light on the growth plants. What is the independent variable
amount of light
light intensity
temperature of light
light color
18
All variables, but one are held constant. Experiment results are compared to that one variable.
Variable experiment
controlled experiment
hypothetical experiment
multifactor experiment
19
Biologists would repeat the same investigation several times to .......
prove their hypothesis.
obtain consistent data.
get the correct results.
form a new theory.
20
Which is not something a scientist would study?
botany
anatomy
biology
astrology
21
Living things do all of the following except...
pass identical genetic code to generations of offspring
maintain a steady internal environment
make adjustments to nonliving factors around them.
respond to other organisms
22
What is the basis of the metric measurement system?
It is based on the wavelength of krypton-86 radiation.
Its measures are based on divisions that are powers of ten.
It is based on European measurement standards.
It is the only scientific measurement system.
23
Because it is often difficult to gather numerical data,____ information is collected.
scientific
ethical
qualitative
quantitative

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