WorksheetsVariations: Continuous and Discontinuos
Total questions: 70
Worksheet time: 1hrs 4mins
What term is used to describe the differences that exist between members of the same species?
Chromosomes
Inheritance
Variation
Fertilisation
Which form of variation is a form of Single Gene Inheritance?
Discrete Variation
Continuous Variation
Which form of variation is a form of Polygenic Inheritance?
Discrete Variation
Continuous Variation
Which form of variation can be measured and has a range of values?
Discrete Variation
Continuous Variation
Which form of variation can be classified into distinct groups?
Discrete Variation
Continuous Variation
Which of the following is an example of discrete variation?
Length of index finger
Eye colour
Height
Foot size
Which of the following is an example of continuous variation?
Ear wax type
Hair colour
Hand span
Eye colour
Describe why offspring will not necessarily follow the expected genotype ratio
Fertilisation is random
Fertilisation is inaccurate
Punnet squares are not reliable
Different alleles appear during fertilisation
Variation is...
No two species are exactly alike.
Two or more species that exactly alike.
Different species that are exactly alike.
Animals in one population.
Which of the following will not cause variation?
Genes
Environment
Type of cell
Passing of features from the offsprings are called as...
Keys
DNA
Genes
Inheritance
What characteristic would a child NOT inherit from the parents?
Freckles
Eye colour
Hair style
Dimples
The process in which a cell splits in two...
Cell nucleus
Cell division
Replication
Inherit
We are combination of...
20% from mother and 80% from father
50% from mother and 50% from father
70% from mother and 30% from father
40% from mother and 60% from father
Differences between organisms are due to
Environment
Inheritance
Species
Offspring
An example of a characteristic that is determined only by inheritance is
Height
Tattoos
Blood group
Intelligence
An example of variation determined by both environment and inheritance is
Eye colour
Weight
Height
Ear lobe shape
All the genes that contribute to a characteristic is called the
Phenotype
Genotype
Karyotype
Serotype
The differences between the individuals in a species are called ..........
evolution
variation
classification
diversity
The differences between the individuals in a species are caused by ...............
cells
evolution
genes
variation
The passing of features from parents to their offspring.
Inheritance
Breeding
Natural selection
Variation
Genes provide a set of instructions that determine the .............. of an organism.
chromosomes
lifestyle
color
characteristics
Genes are passed on from ............... to ........................
male; female
parents; offspring
offspring; parents
female; male
Offspring inherit .................. of their genes from each of their parents.
a third
all
half
a part
What causes variation?
Your environment
Your genes and your environment
Your genes
Your names
Which of the following all show discrete variation?
body height, hair type, heart rate
blood type, eye colour, fingerprint type
foot length, tongue rolling ability, hand span
body mass, eye colour, earlobes attached
What term describes a body characteristic that is controlled by one gene?
polygenic
discrete
genotype
phenotype
heterozygous
Which of the following is an example of continuous variation?
Eye colour
Blood group
Height
Tongue rolling ability
Differences among individual members of the same species are referred to as....
Variation
Natural selection
Adaptation
Species
What is one advantage of variation among species?
Everybody is unique and can feel individual.
It creates a sense of different cultures across the world.
Stronger genes are inherited which reduces the risk of diseases wiping out a certain species.
none of the choices
Mutations are a change in what?
DNA
tRNA
genotype
phenotype
Behavioral changes of individuals of a species that allow for better survival. (Acquired traits)
Variation
Behavior
Adaptation
Environment
What are some examples of discrete variation?
Eye colour
Height
Hair colour
Blood type
What is an example of continuous variation?
Weight
Height
Arm span
All of these
What is the basic structural and functional unit of life?
organism
molecule
atom
cell
It is passed on from parents to offspring.
characteristic
trait
inherited
evidence
A feature that helps identify something
characteristics
variation
inherited
trait
Hippos and elephants are animals that eat plants. Both have flat teeth because...
they ate plants since they were young
live in the same place
travel to where there are plants
inherited this trait from their parents
A fish and a turtle both hatch from eggs. Why do they both hatch from eggs?
They live in a similar place and have the same needs
They inherited egg-laying from their parents
They breathe by taking in gas from the air and into their bodies
They eat the same types of food
This is an adult strawberry plant. Which of the seedlings is most likely the offspring of this plant?
Student eye colour could be considered what type of data
Discontinuous
Independent
Continuous
Colours
Characteristics are usually said to be
Inherited Or Environmental
Environmental Or Genetic
Environmental Or Predetermined
Inherited or Exposed
Which of the following statements is correct about continuous variation?
An example is blood group
It is influenced by genetic and environmental factors
It is a qualitative variation
The characteristics in this variation fall into distinct categories
Variation is:
a disease.
the scientific name for fertilisation.
differences in characteristics.
similarities in characteristics.
An example of an inherited characteristic is:
eye colour.
a tattoo.
a scar.
a broken leg.
A species is:
a group of organisms that reproduce in water.
a group of organisms that can produce offspring that can also reproduce.
a group of organisms that cannot reproduce.
someone who wears glasses.
What is the area where a polar bear lives called?
the igloo
the desert environment
the Arctic habitat
the winter habitat
The drawing shows two tigers. If you saw these two tigers in the wild, one difference would be:
they have different patterns of stripes
one is bigger than the other
one has a tail and the other does not
they have different numbers of legs.
The variation in the lengths of some fish is:
discontinuous
continuous
both discontinuous and discontinuous
neither discontinuous nor continuous.
Organisms living in hot, dry areas are more likely to survive if they:
wash regularly
do not waste water
have thick hair
do not have sharp claws.
Which of these features can not be inherited?
eye colour
hair colour
a scar
curly hair
Which of these is most likely to be an example of environmental variation?
a woman with naturally blonde hair
a man with an earring
a girl with blue eyes
a boy with naturally curly hair
Why do fish have gills?
So that they can fly
So that they can swim better
So that they can breathe underwater and perform a gas exchange
So that they can hide from predators
A polar bear is white like the snow surrounding it in its habitat. Describe this adaptation.
Regeneration
Mimicry
Camouflage
Hibernation
Which type of data would student height be categorized as?
Categorical
Continuous
Discontinuous
Normal
Student eye colour could be considered what type of data
Discontinuous
Independent
Continuous
Colours
Which blood group is the most common?
A
B
AB
O
Marvin investigates shoe size among men by measuring 118 men's feet. What is the sample size?
10
11
100
118
