Font size
WorksheetsBio. Ch. 1 Test
Total questions: 20
Worksheet time: 10mins
An individual living thing is called a(n):
species
cell
atom
organism
The term "biosphere" refers to the parts of Earth that contain:
freshwater environments
living things
land masses
greater biodiversity
The basic unit of life is:
the cell
an atom
DNA
At all levels of life, when related parts interact to form a whole they form a
biosphere
species
cell
system
Which statement best explains why the shape of teeth differs according to the diet of a species? Mark only one oval.
Individual parts must work together
Organisms interact with other organisms
structure and function are related in biology
organisms must maintain homeostasis
The maintenance of constant internal conditions in an organism is known as
homeostasis
negative feedback
structure specialization
adaptation
A beneficial trait that is passed on to future generations
(a)
Which word best describes a scientific hypothesis? Mark only one oval.
provable
theoretical
testable
At which stage of the scientific method would scientists find out if their hypothesis was supported by their data? Mark only one oval.
experiment
analyzing data
evaluating results
Which phrase best defines a gene? Mark only one oval.
slice of a specimen
inherited trait
basic unit of life
segment of DNA
The use and application of living things and biological processes is known as
medical research
human biology
epidemiology
biotechnology
During an experiment, which factor is observed and measured?
dependent variable
independent variable
constants
hypotheses
Similar organisms that can reproduce by interbreeding belong to the same
ecosystem
environment
habitat
species
All the chemical processes used to build up or break down materials are called an organism's.
metabolism
homeostasis
adaptations
negative feedback
What is the name given for genetic changes in living things over time? Mark only one oval.
adaptation
homeostasis
evolution
negative feedback
How have computer models expanded biological research? Mark only one oval.
They help scientists design better experiments
They simulate complex biological systems that cannot be studied directly
Computer models are primarily used for hardware design in biology.
Computer models have no impact on data collection in biological research.
Scientists use ________ thinking to test hypotheses. Mark only one oval.
data
observations
conclusions
scientific
Scientific theories can change when scientists
prepare and test different hypotheses
criticize existing data
find new, conflicting scientific evidence
prove an alternate theory
On Earth, biodiversity generally increases from the
poles to the equator
equator to the rainforest
east to the west
north to the south
A scientific theory is
random guess
everlasting
an idea that has been tested and confirmed many times
an idea tested and confirmed many times
