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WorksheetsFirst Six Weeks Test Review
Total questions: 44
Worksheet time: 43mins
All the members one one species that live in one area is known as a
ecosystem
community
population
biome
Tapeworms living in a cat's intestine's is an example of what type of symbiosis?
commensalism
mutualism
parasitism
predation
In order for organisms to carry out essential life functions they need _________.
nutrients
wisdom
ecological interactions
the ability to reproduce
True Or False: Energy flows in one direction and nutrients recycle.
True
False
A controlled experiment allows the scientist to isolate and test
a single variable.
a conclusion.
a mass of information.
an experiment.
Symbiosis is the act of __________ together.
living
eating
hunting
competing
Which of the following is NOT a principle of the cell theory?
Cells are the basic units of life.
All cells are produced by existing cells.
Very few cells reproduce.
All living things are made of cells.
A limiting nutrient is
an abundant supply in an ecosystem and can affects an animal’s growth
is in such short supply in an ecosystem and can affects an animal’s growth
an abundant supply in an ecosystem and can't affects an animal’s growth
is in such short supply in an ecosystem and can't affects an animal’s growth
True or False: Secondary succession begins on soil and primary succession begins on newly exposed surfaces.
True
False
Logic, informed imagination, and prior knowledge can lead to
hypotheses
laws
great ideas
inferences
Every valid experiment must include
a control, that is unchanged
variables that are all changed
a control, that is altered
experimental group that does not receive the experimental treatment
Which is not an example of when secondary succession would occur.
Lava flow after a volcanic eruption
Hurricanes
Lake formation
Fire
True or False: Species make up populations, which make up communities.
True
False
Which is not recycled in the biosphere?
nitrogen
carbon
energy
water
Can a theory be revised?
Yes
No
Which is a factor that could interrupt the progress of succession?
long-term fluctuations in climate
colonization of surfaces by lichens
different animals appearing at each stage
another natural disturbance
_________ % of energy is transferred from one trophic level to the next.
10
20
50
90
A _________________ results from a lake receiving a large input of a limiting nutrient.
algal bloom
decreased number of algae
decreased number of decomposers
evaporation of water
Matter is not used up by biological systems, it is ____________.
transformed
wasted
lost as heat
never used
In the pioneer organism, lichen, fungi acts as a
consumer
photosynthesizer
decomposer
producer
The symbiotic relationship between a flower and the insect that feeds on its nectar is an example of
mutualism
commensalism
parasitism
The scientific method begins with
observations
drawing conclusions
creating an experiment
testing a hypothesis
A group of organisms in danger of extinction is known as
an endangered species
a limiting nutrient
a community
deforestation
The three particles that make up atoms are
protons, neutrons, electrons
isotopes
positive, negative , neutral
ion, cations, anions
Invasive species
are brought to new areas by humans.
play a natural part of a new habitat.
are generally a good thing when introduced to a new habitat.
are not harmful.
The lowest level of environmental complexity that includes living and nonliving factors is the
biome
community
ecosystem
biosphere
Predation is
an interaction in which one organism benefits from another
an interaction in which one organism is harmed by another
an interaction in which one organism is neither harmed nor helped by another
an interaction in which one organism captures and feeds on another organism
“Polluted water decreases oxygen levels” is an example of
a hypothesis
a theory
a law
an inference
Which organelle converts the chemical energy stored in food into ATP for the cell to use?
chloroplast
ER
mitochondrion
nucleus
Secondary consumers can be
carnivores
producers
herbivores
vegans
What atoms make up water?
one oxygen
two oxygens
one hydrogen
two hydrogens
The number of different species in the biosphere is called
biodiversity
community diversity
genetic diversity
species diversity
Which level of organization includes all of the other levels?
community
organism
ecosystem
population
The smallest units that are considered to be alive are
organisms
cells
atoms
organelles
“The bird has brown spots on its wings” is an example of
a hypothesis
a theory
an observation
an inference
Biodiversity can be harmed by
deforestation
pollution
over harvesting
all are correct
Producers release ___________________ into the atmosphere during the process of photosynthesis.
carbon dioxide
oxygen
nitrogen
carbon monoxide
What structure is #3?
mitochondria
chloroplast
Golgi apparatus
vacuole
What structure is #12?
mitochondria
chloroplast
Golgi apparatus
vacuole
What structure is #2?
cytoplasm
cell membrane
cell wall
nucleus
What structure is #11?
rough ER
smooth ER
Golgi Apparatus
mitochondria
What structure is #7?
rough ER
smooth ER
Golgi Apparatus
mitochondria
What structure is #12?
DNA
nucleus
nucleolus
lysosome
What structure is #13?
DNA
nucleus
nucleolus
lysosome
