Genetics, Adaptations, Natural Selection Question Preview (ID: 35086)
Genetics, Adaptations, And Natural Selection Basic Knowledge.
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One form of a gene pair is a(n)
a) trait
b) allele
c) genotype
d) phenotype
The four bases that make up DNA are
a) first, second, third, and home
b) A, B, C, D
c) 1, 2, 3, 4
d) A, T, C, G
True or False? An adaptation in one environment will definitely be an adaptation in another environment.
a) True
b) False
c)
d)
For a trait to be an adaptation, the trait must provide
a) a new feature for the organism in the environment
b) no change for the organism in the environment
c) an improved function or advantage for the organism in the environment
d) a new environment
Finish the missing part of the sentence: Mutations occur randomly in the DNA. Mutations _________________________.
a) are always harmful.
b) can be helpful, harmful, or have no effect.
c) are usually helpful.
d) can be helpful or have no effect, but they are mostly harmful.
Which of the following could be an example of a physical adaptation?
a) flying
b) hunting at night
c) building a nest
d) having whiskers
True or False? Dark colored fur is an adaptation for mice living in Antarctica.
a) True
b) False
c)
d)
Which of the following is not an adaptation?
a) camouflage
b) burrowing into the dirt
c) putting on a hat
d) large paws
An possible example of a behavioral adaptation is
a) large ears
b) lays eggs
c) long tail
d) light colored fur
An act an organism does describes
a) physical adaptation
b) physical trait
c) behavioral adaptation
d) behavioral trait
Which of the following could be an example of a physical adaptation?
a) claws
b) swims
c) howls
d) digs
Who is well known for developing the idea of natural selection?
a) Conrad Darwin
b) Carl Darwin
c) Chase Darwin
d) Charles Darwin
The process of a trait becoming more common or less common in a specific environment is
a) artificial selection
b) natural selection
c) adaptation
d) mutation
Features an organism has that give it an advantage in a specific environment describes
a) physical adaptation
b) behavioral adaptation
c) physical trait
d) behavioral trait
Which statement is true?
a) Adaptations and natural selection are the same thing.
b) Adaptations provide a benefit in any environment.
c) Adaptations provide a benefit in a specific environment.
d) Adaptations are not common in a population.
What are the two types of adaptations?
a) physical and believable
b) behavioral and genetic
c) genetic and nongenetic
d) physical and behavioral
How do adaptations begin?
a) an organism asks for the adaptation
b) random genetic mutations
c) adaptations occur every other year
d) selected genetic mutations
The trait expressed in an individual is the
a) genotype
b) recessive
c) dominant
d) phenotype
This is represented with a capital letter and only requires one allele for it to be expressed.
a) phenotype
b) recessive
c) dominant
d) genotype
The passing of traits from parent to offspring is known as
a) adaptations
b) heredity
c) DNA
d) Mutation
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