Classification and Dichotomous Keys

Front

What is the main characteristic that distinguishes prokaryotic cells from eukaryotic cells?

Back

Prokaryotic cells do not have a true nucleus; their DNA is not enclosed within a membrane.

Front

What are the three domains of life?

Back

Bacteria, Archaea, and Eukarya.

Front

What is the kingdom that includes all plants?

Back

Plantae.

Front

What is a dichotomous key?

Back

A tool that allows the user to determine the identity of items in the natural world by answering a series of questions that lead to the correct name.

Front

What is the correct format for writing a scientific name?

Back

The genus name is capitalized and the species name is lowercase, both italicized (e.g., Felis domesticus).

Front

Which kingdom includes organisms that are multicellular and heterotrophic?

Back

Animalia.

Front

What is the difference between autotrophs and heterotrophs?

Back

Autotrophs produce their own food (e.g., plants), while heterotrophs consume other organisms for energy.

Front

What type of organisms are found in the kingdom Fungi?

Back

Multicellular and unicellular organisms that absorb nutrients from their environment, such as mushrooms and yeast.

Front

What is the significance of the scientific name in biology?

Back

It provides a universal way to identify and classify organisms, reducing confusion caused by common names.

Front

What is the role of classification in biology?

Back

Classification helps organize and categorize living organisms based on shared characteristics.