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Read About Natural Selection

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Natural Selection| Reading Material | Grades 6-8
WHAT IS NATURAL SELECTION?

Natural selection is a process in which organisms better suited to their environment are able to survive and reproduce more offspring. This process is also referred to as survival of the fittest.

To better understand natural selection…

WHAT IS NATURAL SELECTION?. Natural selection is a process in which organisms better suited to their environment are able to survive and reproduce more offspring. This process is also referred to as survival of the fittest. To better understand natural selection…

LET’S BREAK IT DOWN!

Variations of Traits

Variations of Traits

Traits can vary between individual organisms within a single population. Differences in traits can occur from both genetic and environmental factors.

Variations of Traits Traits can vary between individual organisms within a single population. Differences in traits can occur from both genetic and environmental factors.

Mutation

Mutation

Mutations are changes that occur in our genetic material. Changes can occur at any time during an organism’s life span. Mutations can be inherited or happen randomly during cell division or be caused by environmental factors. For example, too much sunlight exposure.

Mutation Mutations are changes that occur in our genetic material. Changes can occur at any time during an organism’s life span. Mutations can be inherited or happen randomly during cell division or be caused by environmental factors. For example, too much sunlight exposure.

Artificial Selection

Artificial Selection

Artificial selection is the process in which humans decide what traits they want an organism to have. Human artificially select for traits in both plants and animals for many different reasons. Some reasons include designing a specific dog breed or making plants resistant to specific diseases.