7th Grade Science 4th Nine Week Study Guide: Question Preview (ID: 19249)

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The process in which the nucleus divides to form two identical nuclei is called
a) Mutation b) Mitosis c) Heredity d) Meiosis
When a small exact copy of an adult organism grows from the body of the parent, it is called
a) fission b) budding c) regeneration d)
Human body cells have ___________ pairs of chromosomes.
a) 32 b) 13 c) 23 d) 25
The desert biome gets 80-180 inches of rain per year. True or False
a) True b) False c) d)
The joining of an egg and a sperm from two different organisms of the same species is
a) Genetics b) Mitosis c) Species d) Fertilization
The passing of traits from parent to offspring is
a) Heredity b) Allele c) Dominant d) Genotype
A/an _____________ is a working unit made up of organisms interacting with each other and with non-living factors.
a) Niche b) Carbon Cycle c) Ecosystem d) Biotic
A ____________ trait covers up other traits.
a) Homozygous b) Older c) Dominant d) Recessive
The study of how traits are inherited through the actions of alleles is called
a) Genotype b) Phenotype c) Heredity d) Genetics
Biotic factors include the _______ parts of an ecosystem.
a) Living b) Inorganic c) Quiet d) Nonliving
A __________ is the outward physical appearance and behavior of an organism as a result of its genotype.
a) Genotype b) Phenotype c) Allele d) Punnett Square
In a Punnett square, a capital (T) stands for a ________ allele.
a) Heterozygous b) Sex-linket c) Dominant d) Recessive
Brown hair, green eyes, curly hair, and freckles are examples of
a) Genotypes b) Phenotpyes c) Genetic Disorder d) Recessive Traits
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) Scissors c) Genetic ladder d) Ruler
The study of the relationship between (or interconnectedness) of living and nonliving things in an ecosystem is
a) Biome b) Abiotic c) Water Cycle d) Ecology
Rocks, water, and air are examples of the nonliving parts of an ecosystem, which is/are ___________________.
a) Abiotic factors b) Biotic factors c) The Hydrogen Cycle d) The Nitrogen Cycle
All biomes have exactly the same climates and ecosystems. True or False
a) True b) False c) d)
All of the following are steps of mitosis, except
a) Prophase b) Underphase c) Metaphase d) Anaphase
The combination Tt represents a ____________ genotype.
a) Phenotype b) Homozygous c) Heterozygous d) Pure Bred
______________ is the process that produces haploid sex cells and ensures that offspring have the same diploid as its parents.
a) Meiosis b) Heredity c) Mitosis d) Fertilization
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