Things

Which of the following scientific names appears correctly?

• Quercus rubra

• Quercus Rubra

• Quercus Rubra

• Quercus rubra

A student used a microscope to study four members of the phylum Ciliophora. Members of this phylum move when propelled by hundreds of tiny cilia. Although these organisms belong to the same phylum, they are classified as different --

• species

• families

• kingdoms

• orders

Based on this information, which statement correctly describes the relationship between the two populations of tree frogs?

• They are in the same genus but different species.

• They are in the same family but different orders.

• They are in the same class but different phyla.

• They are in the same species but different kingdoms.

The diagram shows a dichotomous key and a picture of a fruit. According to the key, the fruit comes from which species of tree?

• Acer negundo

• Acer platanoides

• Fraxinus americana

• Fraxinus nigra

The classifications of four trees are shown in the table. Which two trees are the most closely related?

• Taiwan catkin yew and lodgepole pine

• Lodgepole pine and Japanese maple

• Taiwan beech and Taiwan catkin yew

• Japanese maple and Taiwan beech

Why is it best for scientists to use the name from the standardized taxonomic system?

• All scientists will be using one name for mountain lions.

• Communication with other scientists about mountain lions will be reduced.

• The standardized name is less descriptive of the animal that has been observed.

• The standardized name differentiates mountain lions and pumas.

Frogs and toads belong to the order Anura. The smallest organism in this order is about 7 millimeters long, while the largest member is about 30 centimeters long. Which of these lists best describes this order?

• 28 families

  338 genera

  4,360 species

• 338 families

  28 genera

  4,360 species

• 338 families

  4,360 genera

  28 species

• 28 families

  4,360 genera

  338 species

If two structurally similar individuals produce fertile offspring in nature, they are considered to be the members of the same

• Species

• class

• Genus

• Kingdom

How do viruses reproduce?

• inserting DNA into the host cell

• sexually, by external fertilization

• replication outside the host

• they divide by mitosis

The Linnaean taxonomic system classifies organisms into divisions called taxa. If two organisms belong to the same taxonomic group, they are related. Similarity which of these levels indicates the closest relationship?

• Genus

• Order

• Kingdom

• Class