WorksheetsSemester 2 Final Exam
Total questions: 25
Worksheet time: 13mins
Which condition is a biotic factor of an aquarium ecosystem?
rocks
algae growing
water
sunlight
Which of the following is an example of a producer?
rabbit
fox
dog
fern
Which choice is an example of a decomposer?
fungi
fern
dog
rabbit
Which choice is an example of a consumer?
fern
fungi
bee
plants
Which choice is likely to result in the most competition?
nothing
A drought reduces the amount of grass for rabbits to feed on.
a bird eating worms, and a rabbit eatting grass
a lion eating a dead animal, and a gazelle grazing
What caused the dark peppered moth to flourish after the Industrial Revolution?
darkening of tree bark
tree bark getting lighter in color
Which of these is a behavior adaptation in wolves?
having sharp claws
hunting in packs
having long fur
having large ears
What can cause extinction of a species?
adaptations that overcome challenges
behavioral adaptations
structural adaptations
adaptations that do not overcome challenges of the environment
What would happen if prey were removed from the food web?
the population of predators would decrease
the population of predators would increase
What would happen to the population of an animal if its food source were added to the food web?
the population of predators would decrease
the population of predators would increase
Which statement best summarizes Gregor Mendes contribution to science?
Mendel studied culture
Mendel studied rabbits
Mendel is considered the "father of genetics."
Mendel studied butterflies
What are genes?
dominate
the basic unit of inheritance
recessive
What did Mendels cross-pollination of pea plants prove?
Each parent only passes on one-half of its hereditary factors to each offspring.
Each parent passes all their factors to each offspring
Which phase results in chromosomes lining up towards the center of the cell, also known as the equator of the cell?
prophase
metaphase
anaphase
telophase
Which phase of cell division results in the formation of four new haploid cells?
prophase II
metaphase II
anaphase II
telophase II
Which of these are the correct base pairs in DNA?
Cytosine and Guanine
Cytosine and Uracil
Cytosine and Thymine
How does a DNA molecule produce copies of itself?
correcting errors
replication
protein synthesis
Besides replicating DNA, what is another function of DNA polymerase?
correcting errors
replication
protein synthesis
What information does RNA code for?
correcting errors
replication
protein synthesis
Which of the following correctly defines translation?
the making of a polypeptide with a specified order of amino acids
a message sent from DNA
Which of the following is used as evidence in supporting the idea that life changes over time?
years of staying the same
the orbit
dirt
Homologous structures
The diagram shows embryo development of four different animals. How is this evidence used to suggest that life changes over time?
Striking similarities at early developmental stages is evidence that they came from a common ancestor.
no similarities at early developmental stages is evidence that they came from a common ancestor.
The DNA of all these life forms begins exactly the same and then changes over time as it replicates to produce the organisms different traits.
How can homologous structures in the forelimbs of these four organisms be used as evidence to suggest that life changes over time?
They are evidence that the same bone structures can serve different functions in different species.
They are evidence that one species turns into another species over time and that each has a different type of life.
They are evidence that all came from a common ancestor and that life changed over time for all these organisms to exist.
Which idea originated with Charles Darwin?
Traits acquired during a lifetime are passed to offspring.
Species evolve by natural selection.
Living organisms have not changed since they were created.
Organisms have undergone changes during Earth's history.
According to the theory developed by Charles Darwin, what process causes organisms to develop traits that help them adapt to changes in their environment?
homeostasis
artificial selection
succession
natural selection
