WorksheetsVariations in Organisms
Total questions: 21
Worksheet time: 11mins
What is a variation within a population?
A change in the environment.
Differences in traits among individuals.
A type of food that animals eat.
A new species forming.
How can variations in a population lead to the development of a new species?
By causing all individuals to become identical.
By reducing genetic diversity.
By making the population smaller.
By allowing some individuals to survive and reproduce in different environments.
Which of the following is an example of a variation in a plant population?
.Identical flower colors.
The same height for all plants.
Different leaf shapes
Uniform root length.
How can variations in arm length benefit a population of monkeys?
Longer arms can help reach food in tall trees.
Shorter arms make it easier to swim.
Arm length has no effect on survival.
Longer arms make it harder to climb.
In a cold environment, which variation might be advantageous for a population of animals?
Thicker Fur
Longer Tails
Brightly Colored Skin
Shorter Legs
What is one advantage of having variations in a population living in a diverse environment?
It allows the population to exploit different resources.
It makes the population more vulnerable to predators.
It causes the population to become extinct.
It reduces the population's ability to reproduce.
What is a disadvantage of having too much variation in a population?
It can lead to more diseases.
It can make it harder to adapt to a specific environment.
It can cause the population to grow too fast.
It can make individuals look too similar.
Why might variations in the wing pattern of monarch butterflies be beneficial?
They help butterflies fly faster.
They make butterflies more attractive to predators.
They can help with camouflage.
They make butterflies heavier.
In a desert environment, which variation might be beneficial for a population of animals?
Ability to store water.
Brightly colored fur.
Short, thin legs.
Large, flat feet.
How can variations help a population survive a sudden change in the environment?
By making all individuals identical.
Providing different traits might be beneficial.
By reducing the number of individuals.
By making the environment change back.
Which of the following is an example of a variation that might be disadvantageous in a forest environment?
Camouflaged Skin
Brightly Colored Feathers
Ability to climb trees.
Sharp Claws
How can variations in a population affect its ability to compete for resources?
Variations can make competition more intense.
Variations can reduce the need for resources.
Variations can allow individuals to use different resources.
Variations have no effect on competition.
What is one way that variations can be introduced into a population?
Through genetic mutations.
By all individuals becoming identical.
By reducing the population size.
Through environmental changes alone.
In a population of fish, what variation might help some individuals survive in a polluted river?
Smaller Eyes
Brightly Colored Scales
Larger Fins
Ability to tolerate pollutants.
behavioral variation
physical variation
environmental adaptation
Adaptations that are identical in all environments.
Uniform behavior across all environments.
Changes in an organism's behavior due to environmental factors.
Differences in physical traits that are not influenced by the environment.
limiting factor
Biotic Factor
Abiotic Factors
Living parts of an ecosystem
Non-living parts of a community
Non-living parts of an ecosystem
Living parts of a population
advantage
