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