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WorksheetsInheritance/Adaptations Test
Total questions: 30
Worksheet time: 10mins
What is a distinguishing characteristic of an organism called?
trait
gene
chromosome
adaptation
The passing of traits from one generation to another is called _____________.
trait
inheritance
gene
chromosome
What is a trait that an organism learns or acquires during its lifetime called?
DNA
genes
Inherited trait
Acquired trait
Which of the following is an example of an inherited trait?
shooting a basketball
losing a leg
having naturally curly hair
being a fabulous piano player
Which of the following is an example of an acquired trait?
having a black fro
riding a bike
being tall
blue eyes
What is a SECTION (small part) of DNA that has genetic information for one trait called?
gene
inherited trait
DNA
acquired trait
A molecule inside a cell’s nucleus that contains genes and looks like a twisted zipper is called _______________.
trait
chromosome
DNA
gene
What are long chains of DNA tightly packed and coiled together called?
phenotype
genotype
chromosomes
genes
How many pairs of chromosomes do human body cells have?
10
22
23
46
An inherited trait that helps an organism survive in its environment is called a(n) ___________________.
inheritance
variation
chromosome
adaptation
The process by which an organism produces offspring is called __________________.
variation
inheritance
trait
reproduction
The type of reproduction that occurs with one parent makes an exact copy of itself.
sexual reproduction
asexual reproduction
gene
inherited traits
The type of reproduction that occurs with two parents
sexual reproduction
asexual reproduction
gene
adaptation
Different versions of a gene are called _____________________.
genotype
phenotype
alleles
traits
An organism’s set of genes
genotype
phenotype
alleles
traits
The outward appearance of an organism as the result of genotype
genotype
phenotype
alleles
genes
Type of trait that shows up even if only one copy of the gene is present (Hint: Bb or BB)
inherited
aquired
dominant
recessive
Type of trait that shows up only when two copies of the gene are present (Hint: bb - both lowercase letters)
inherited
aquired
dominant
recessive
What is the best example of a behavioral adaptation?
human sweating
opossum playing dead
a cheetah’s stripes
sharp claws on an alligator
What is the best example of a functional adaptation?
a long neck on a giraffe
birds migrating
red ladybug
human sweating
What is the best example of a structural adaptation?
dog shedding
hunting at night
green snake
a cat hissing
A penguin having webbed feet is an example of a ________________________.
structural adaptation
behavioral adaptation
functional adaptation
A raccoon hunting at night is an example of a __________________________.
structural adaptation
behavioral adaptation
functional adaptation
A human shivering and getting goosebumps when it is very cold outside is an example of a ______________________.
structural adaptation
behavioral adaptation
functional adaptation
The ability of an organism to keep its internal conditions within certain limits is called _______________________.
natural selection
homeostasis
variation
genes
What goes in the empty box?
RR
Rr
rr
What goes in the empty box?
RR
Rr
rr
What percent of the offspring would have the dominant trait?
0%
25%
50%
75%
What percent of the offspring would have the recessive trait?
0%
25%
50%
75%
About how many species of animals are on the earth?
120
1,200
12,000
1,200,000
