EKim Science7 Unit4.6 Biodiversity & Classification SG

To make it easier to communicate about organisms, scientists

• use the same system for naming organisms

• use only the common names for organisms

• use only Latin names for organisms

• use only physical traits for naming organisms

Which of the following statements is true?

• The fewer traits two organisms share, the more closely related they are.

• DNA evidence cannot reveal how closely related two organisms are.

• Two closely related organisms always look similar.

• Even though two organisms have the same common name, they may not be closely related.

Tags

NGSS.MS-LS4-2

Which of the following did Linnaeus use to name organisms?

• DNA evidence

• appearance

• vestigial organs

• embryo development

Scientists compare the components of one organism’s DNA with those of another organism’s DNA to find (a)   of a common ancestor.

• genetic evidence

• physical evidence

• the traits

• the taxon

Tags

NGSS.MS-LS4-2

The classification level that includes the least number of organisms is

• Genus

• Species

• Family

• Order

The purpose of a dichotomous key is

• to give organisms scientific names

• to classify organisms into groups

• to make identifying organisms as easy as possible

• to help scientists remember scientific names

Instead of eating, yeasts take in nutrients from their surroundings. They are classified as

• fungi

• archaea

• bacteria

• plants

All ____ are multicellular eukaryotes that make their own food.

• animals

• protists

• plants

• Archaea

Tags

NGSS.MS-LS1-6

Microscopes and other advances in technology have allowed scientists to observe that there are three fundamentally different types of cells. Scientists have used this information to group the six kingdoms into.

• species

• domains

• families

• orders

Scientists classify jaguars, ocelots, and lynx in the same family based on the animals’

• similar physical traits

• scientific names

• similar habitats

• different genes

Tags

NGSS.MS-LS4-2