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4th Nine Weeks REVIEW
Test Description: 4th Nine Weeks REVIEW: Genetics and Ecology
Instructions: Answer all questions to get your test result.
1) The process in which the nucleus divides to form two identical nuclei is called
A
Mitosis
B
Heredity
C
Mutation
D
Meiosis
2) When a small exact copy of an adult organism grows from the body of the parent, it is called
A
Regeneration
B
Fission
C
Meiosis
D
Budding
3) Human body cells have _______ pairs of chromosomes
A
23
B
25
C
32
D
13
4) The desert biome gets 80-180 inches of rain per year
A
true
B
true
C
false
D
true
5) The joining of an egg and a sperm from two different organisms of the same species is
A
Genetics
B
Mitosis
C
Fertilization
D
Species
6) The passing of traits from parent to offspring is
A
Dominant
B
Genotype
C
Heredity
D
Allele
7) A/an __________ is a working unit made up of organisms interacting with each other and with non-living factors.
A
Ecosystem
B
Biotic
C
Carbon Cycle
D
Niche
8) A ____________ trait covers up other traits.
A
Homozygous
B
Older
C
Recessive
D
Dominant
9) The study of how traits are inherited through the actions of alleles is called
A
Genetics
B
Genotype
C
Phenotype
D
Heredity
10) Biotic factors include the _________ parts of an ecosystem
A
Inorganic
B
Nonliving
C
Quiet
D
Living
11) A _________ is the outward physical appearance and behavior of an organism as a
A
Phenotype
B
Punnett Square
C
Allelle
D
Genotype
12) In a Punnett square, a capital letter (T) stands for a ______ allele.
A
Heterozygous
B
Recessive
C
Sex-Linked
D
Dominant
13) Brown hair, green eyes, curly hair, and freckles are examples of
A
Phenotypes
B
Genotypes
C
Recessive Traits
D
Genetic Disorder
14) A tool used to predict the probability of certain traits in offspring that shows the different ways alleles can combine is a
A
Ruler
B
Scissors
C
Genetic Ladder
D
Punnett Square
15) The study of the relationship between (or interconnectedness) of living and nonliving things in an ecosystem is
A
Abiotic
B
Water Cycle
C
Biome
D
Ecology
16) Rocks, water, and air are examples of the nonliving parts of and ecosystem, which is/are ____________.
A
biotic factors
B
abiotic factors
C
nitrogen cycle
D
hydrogen cycle
17) All biomes have exactly the same climates and ecosystems
A
True
B
False
C
True
D
True
18) 18. All of the following are steps of mitosis, except
A
Prophase
B
Anaphase
C
Underphase
D
Metaphase
19) The combination Tt represents a ______ genotype.
A
Pure Bred
B
Homozygous
C
Heterozygous
D
Phenotype
20) _________ is the process that produces haploid sex cells and ensures that offspring have the same diploid as its parents.
A
Fertilization
B
Meiosis
C
Heredity
D
Mitosis
*select an answer for all questions
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