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WorksheetsSemester 1 2020 environmental science exam
Total questions: 115
Worksheet time: 1hrs 29mins
I am an autotroph
I am multicellular
What am I?
I am eukaryotic
I reproduce sexually
I am multicellular
What kingdom do I belong to?
I am prokaryotic
I am found in extreme ecosystems
What kingdom do I belong to?
Protists
Who am I?
Why would scientists want to use a taxonomic system that is standardized?
In order to avoid confusion with the identification of organisms.
Because Linnaeus established a system.
So that Latin names can be applied for a practical purpose.
In order to place organisms in different groups.
The Linnaean taxonomic system classifies organisms into divisions called taxa. If two organisms belong to the same taxonomic group, they are related. Similarity at which of these levels indicates the closest relationship?
Kingdom
Class
Order
Genus
A cladogram is pictured here. All the animals to the right of the hagfish would have the common characteristic of...
fur
claws or nails
lungs
jaws
Bacterial cells are...
Eukaryotic
Prokaryotic
Viruses
Fungal
Prokaryotic cells are
Multicellular
Unicellular
Bacteria have three shapes. Which of the following is not a common shape of bacteria?
Spirilla
Cocci
Bacilli
Cube
Which of the following is the largest?
Virus
Eukaryotes
Prokaryotes
Most bacteria are
Harmful
Helpful
Begnin
Cancer
How do bacteria reproduce?
Sexual Reproduction
Division
Binary Fission
Pollination
Bacteria are treated with
Antibiotics
Vaccines
Asprin
Chemotherapy
The singular term for bacteria is...
Bacterial
Bacterias
Bacteria
Bacterium
Binary fission results in
2 genetically different cells
4 genetically identical cells
2 genetically identical cells
4 genetically different cells
Which of the following is the correct way to write a bacterial name?
E. coli
E. Coli
e. coli
E. COLI
Which of the following is not a common role of bacteria?
Decomposers
Consume hydrocarbons
Create oxygen
Fix nitrogen
Why is nitrogen important?
Nitrates are used to build plant proteins
Plant proteins are consumed by animals.
Bacteria convert nitrogen in to usable forms.
All of the above.
Which of the following is an organelle that prokaryotes have?
Nucleus
Ribosomes
Mitochondria
Lysosome
Plant cells fall under which category?
Eukaryotic
Prokaryotic
Viruses
Bacteria
Pro means...
A lot of
Having
Without
No membrane bound organelles
Cyto- means
Bacteria
Cell
Small
Microscopic
What are pathogens?
Eukaryotic cells that turned in to bacteria
Disease causing agents
Microorganisms that help clean up oil spills
Beneficial bacterial cells
The organelle described as a long, thin-like projection that helps with movement
Mitochondria
Chlorplast
Flagella
Cell Membrane
Organelle that helps create proteins in the cell
Ribosome
Cell Wall
Mitochondria
Lysosome
Where is the DNA in a prokaryotic cells?
Nucleus
Cell Membrane
Cytoplasm
Chloroplast
The _ is an organized set of investigation procedures used by scientists.
scientific method
scientific law
scientific theory
A _ is an educated guess or testable prediction
control
hypothesis
dependent variable
An organized procedure for testing a hypothesis is a(n) _.
experiment
independent variable
constant
A _ is a standard for comparison.
hypothesis
control
dependent variable
A(n) _ is a factor that doesn't vary in an experiment.
constant
control
independent variable
The factor that is adjusted by the experimenter is the _.
control
independent variable
dependent variable
The factor whose value depends on the independent variable is the _.
experiment
constant
dependent variable
A rule of nature that sums up related observations to describe a pattern in nature is a _.
scientific law
hypothesis
scientific theory
A _ is an explanation based on experiments or the most logical explanation.
hypothesis
scientific law
scientific theory
The SI base unit for temperature is _.
Farenheit
Celsius
Kelvin
The _ is the base metric unit of liquid volume.
gram
liter
ounce
The _ is the base metric unit of liquid volume.
gram
liter
ounce
The symbol km is used to describe a _.
kilometer
kilomass
kectameter
The amount of space occupied by an object is _.
mass
volume
density
A _ is a visual display of information or data.
graph
picture
diagram
In a line graph, the _ axis is called the y-axis.
vertical
horizontal
independent variable
Process that uses observations and investigation to gain knowledge about events in nature is called _.
science
predicting
inferring
Before designing and carrying out an experiment, one should find out what is already know about the topic by _.
researching information
analyzing data
forming a conclusion
To reveal trends in data, the data should be presented in a(an) _.
hypothesis
operational definition
graph
The part of an experiment in which all conditions are kept the same is the _.
constant
control
conclusion
What type of graph is shown?
line
bar
circle
Weathering is
the movement of rocks
the breaking down of rocks
the falling of rocks
Erosion is
the falling of mud
the breaking down of rocks
the movement of rocks and soil
All of the following cause weathering EXCEPT
water
glaciers
plants
volcano eruptions
Tree roots can break down rocks.
True
False
One way water breaks down rocks is
by filling up a lake.
by repeatedly freezing and thawing in cracks.
by washing away the shoreline
Glaciers moving rocks as they melt is an example of
weathering
erosion
Glaciers crushing rocks as they move is an example of
weathering
erosion
Water weakening the minerals in rocks causing them to break is
weathering
erosion
Rivers carrying rocks from place to place is
weathering
erosion
Animals digging holes in the ground is
weathering
erosion
Which does NOT cause erosion?
plants
water and wind
glaciers and gravity
animals
The flowing down of very wet soil is called a
rockslide
landform
mudslide
A structure made up of different types of tissue and performs a specific job.
cells
tissue
organ
organ system
A population is all the ____________ species.
Same
Different
Other
Alternating
A community is ___________ types of species living together.
Same
Alternating
All
Different
is the part of Earth where life exists
Biosphere
Biota
Geosphere
Hydrosphere
are the living things within the biosphere
Biosphere
Biota
Geosphere
Hydrosphere
All of Earth’s water, ice, and water vapor.
Biosphere
Biota
Geosphere
Hydrosphere
includes factors such as average temperature and precipitation and relative humidity.
climate
abiotic
biotic
The effects of people and their actions on the biosphere is called
human impact
biome
environmental change
The majority of Earth's energy comes from...
the Earth's core
the Sun
hydroelectric power
burning fossil fuels
Which of the following does NOT happen to solar energy when it reaches Earth?
Some solar energy reflects off the atmosphere, back to space
Some solar energy passes through Earth and comes out the other side
Some solar energy is absorbed by land and water
Some solar energy is radiated from the Earth's surface and trapped by the atmosphere
The Earth's atmosphere acts like a greenhouse that traps heat from the sun.
true
false
Which of the following natural events is NOT a source of carbon dioxide?
Wildfire
Decomposing plants and animals
Volcanic eruption
Earthquake
At what point in human history did global carbon dioxide levels start to rise?
World War I
World War II
The Industrial Revolution
The invention of the car
