Unit 4 Vocabulary Flashcards

Front

What is an adaptation?

Back

A variation of a trait that makes an organism better suited to survive in its environment.

Front

What is an acquired trait?

Back

A characteristic controlled by the environment.

Front

What is an allele?

Back

A different variation of a gene/trait.

Front

What are amino acids?

Back

Compounds that combine to form proteins.

Front

What is biodiversity?

Back

The variety of life on Earth.

Front

What are chromosomes?

Back

DNA tightly wrapped up around proteins.

Front

What is classification?

Back

The process of organizing items into groups based on shared characteristics.

Front

What is the main job of DNA?

Back

To store and pass on genetic codes/information.

Front

What is the structure of the DNA molecule?

Back

A double helix, like a twisted ladder.

Front

What is a dominant allele?

Back

An allele that will 'hide' the recessive allele.