Variations

Variations

by Gemma Calvo

​Variation

Multiple Choice

What does variation mean?

• A different version of something

• Changing colour

Multiple Choice

What can cause variation?

• Genetics

• Environment

• Both: genetics and environment

Multiple Choice

What is this definition: 'Differences between organisms caused by differences in the DNA they inherit from their parents.'?

• Species

• Genetic variation

• Environmental variation

Multiple Choice

What is this definition: 'A group of organisms that can reproduce with each other to produce offspring that will also be able to reproduce.'?

• Species

• Genetic variation

• Environmental variation

Multiple Select

Which of these variations are caused by genetics only?

• Natural hair colour

• Eye colour

• Hair length

• Tattoos

• Blood group

Advantages of Traits

Different individuals have different variations of traits. Some variations of traits can give organisms advantages or disadvantages in surviving, hunting prey, hiding from predators, finding mates, and reproducing.

Alligator Advantages

Alligators have many variations of traits. One trait that can vary is the distances between the eyes. Alligators with more distance between their eyes have better eyesight. This advantage of trait can help them see predators when they are babies, and when they are older it can help them find food.

Camouflage

Another advantage can be found in the animal's coloring. Camouflage allows an animals to blend in with its surroundings. Variations in animals colorings can affect their ability to camouflage with their environment which is important to hide from predators. Animals with better camouflage are more likely to survive.

Multiple Choice

What is camouflage?

• an inherited behavior, something the animal is born knowing what to do

• allows an animal to blend in with its surroundings

• a set of instructions given from parent to offspring

• a characteristic of an organism

Multiple Choice

What does variation mean?

• A different version of something

• Changing colour

Multiple Choice

What can cause variation?

• Genetics

• Environment

• Both: genetics and environment

How do we get genetic variation?

Multiple Select

Which of these variations are caused by genetics only?

• Natural hair colour

• Eye colour

• Hair length

• Tattoos

• Blood group

Advantages in Traits in Plants

Plants also have advantages with certain variations of traits. Flowers that are brighter and more fragrant are more likely to attract insects to help them reproduce. Also, plants with better defenses such as larger thorns are more likely to survive being eaten. Therefore, depending on the variation of traits an organism receives determines whether they have an advantage or disadvantage in a certain environment.

Multiple Select

What types of traits can help a flower reproduce? Select all that apply. (2)

• The color of the flower

• The size of the flower

• How well you can smell the flower

• Where the flower is located

​Types of Structural Traits

​1. Internal traits

​

​

​2. External traits

​Internal Traits

​Traits that are found inside the organisms.

​External Traits

​Traits that are found on the outside of organisms.

Multiple Choice

The picture shows bird claws. . Is it an internal or external trait?

• External traits

• Internal traits

Multiple Choice

The picture shows large ears of the jackrabbit. Is it an internal or external trait?

• EXTERNAL TRAIT

• INTERNAL: TRAIT

Multiple Choice

The picture shows

• Internal traits

• External traits

Multiple Choice

The picture shows bear fur. Is it an internal or external trait?

• External trait

• Internal trait

Multiple Choice

The picture shows garlic bulbs. Is it an internal or external trait?

• Internal Trait

• External Trait

Multiple Choice

The picture shows a bird beak. Is it an internal or external trait?

• Internal trait

• External trait

Multiple Choice

The picture shows hollow bones in birds. Is it an internal or external trait?

• External traits

• Internal Traits

Multiple Choice

The picture shows

• Internal Traits

• External Traits