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WorksheetsSemester 2 Biology final Review
Total questions: 35
Worksheet time: 18mins
What kind of relationship describes a tapeworm feeding off a dog’s intestines?
Mimicry
Mutualism
Parasitism
Friends
What best describes the relationship between the bald eagle and the sea ducks
Predator - prey
parasite - host
producer - consumer
Father -son
How much energy from the consumers is converted into usable energy by the primary consumers?
1%
90%
10%
100%
What category would you put the plants into?
Tertiary consumers
Primary consumers
Decomposers
Producers
Where category do all of the others eventually lead to?
Producers
Consumers
Heterotrophs
Decomposers
In DNA replication, what pairs with Adenine (A)?
Guanine
Cytosine
Thymine
Uracil
In DNA replication, what pairs with Cytosine (C)?
Guanine
Adenine
Thymine
Uracil
What is the result of semiconservative replication of DNA?
2 “new” strands
One original strand and one new strand
Random copies of DNA
What is the DNA complement of ACGGCA
ACGCGA
AAGTTC
TGCCGT
ATUCGU
If there are 100 J available at the snake level, how much energy is available at the plant level?
10 J
!00 J
1000 J
10,000 J
This person is a:
Male
Female
This individual has 3 chromosomes at #21. This means they have what disorder?
Down's Syndrome
Phenylketonuria
Sickle-Cell anemia
Tay-Sach's
Most sex-linked genes are located on:
Hint: What chromosome does every person have?
The autosomal chromosomes
The X chromosome
The Y chromosome
Any random chromosome
Alleles found on the outside of the Punnett square represent:
The childrens' genotype
The parents' gnotype
The grandparents' genotype
A male is represented by:
Y
X
XX
XY
A female is represented by:
X
Y
XX
XY
When Gregor Mendel crossed pure-breeding (homozygous) tall plants with pure-breeding short plants, all of the offspring were tall because:
The tall allele was recessive
The tall and short alleles were codominant
The tall allele was dominant
A couple has two children, both of whom are boys. What is the probability that the parents’ next child will be a boy?
100%
0%
25%
50%
If an organism’s diploid number is 12, its haploid number is:
6
12
24
144
A cross of a red cow (RR) with a white bull (WW) produces all roan (red and white) offspring (RW). This type of inheritance is known as:
Incomplete dominance
Codominance
Multiple alleles
Polygenic traits
A Punnett square shows all of the following EXCEPT:
The actual outcome of the offspring
The alleles of the parents
Percentages of all possible outcomes
What is true about the offspring of this cross?
All are short
1/2 are tall
All are tall
1/2 are short
A white mouse, whose parents are both white, produces only brown offspring when mated with a brown mouse. The brown mouse is probably:
Heterozygous
Recessive
Homozygous dominant
Which most closely resembles the human hand?
Bat
Grasshopper
Whale
According to the cladogram in the diagram shown below, what two characteristics do crabs and barnacles share that limpets do not?
Appendages and shells
Larvae
Molted external exoskeletons
An inherited trait that helps an organism survive is:
An adaptation
Evolution
Superpower
Define natural selection
Survival of those organisms genetically best adapted to the environment
Elimination of the smallest organisms by the largest organisms
Survival of the physicallystrongest organisms
Pick all of the following that is a behavioral adaptation?
Migration
Nest Building
Food gathering
Similar genes are evidence of..
Common ancestry
No relationship
Mutations
Of the following, Felis leo is most closely related to...
Felis domesticus
Xenopus laevis
Rana pipiens
An invasive species is one that...
Is the first to arrive in an ecosystem
Is fire resistant
Is not native to an ecosystem and can harm the stability of the ecosystem
Any group of organisms that can mate and produce fertile offspring is called a(n)...
Species
Phylum
Ecosystem
Biome
A single gene mutation would most likely occur if...
RNA molecules do not read the DNA
The cytoplasm lacks the amino acids needed
A base sequence in a DNA molecule is changed
One conclusion that can be made based on the information presented in the data table is that...
mammals have a greater percentage of guanine and cytosine than adenine and thymine
the percentage of purines is almost equal to the percentage of pyrimidines in all organisms.
What amino acid sequence would be produced from the mRNA sequence GAUCCA
Leucine, Glycine
Leucine, Proline
Aspartic Acid, Proline
