Question 1

A student collected the animal shown below on a field trip. The student used a dichotomous key and a microscope to classify the animal. How should this animal be classified?

Accepted Answer

Platyhelminthes

Answer

Mollusca

Answer

Annelida

Answer

Arthropoda

Question 2

Arthropods are joint-legged animals. Spiders, crabs, pill bugs, centipedes, and millipedes are examples of the many types of arthropods. Which of these arthropods are most closely related?

Accepted Answer

Arthropods of the same species

Answer

Arthropods of the same family

Answer

Arthropods of the same genus

Answer

Arthropods of the same class

Question 3

Using a light microscope, a student identified the following characteristics of four organisms found in a sample of pond water.
Based on the observations of the student, which organisms most likely belong to the taxonomic group for bacteria?

Accepted Answer

Organisms 2 and 3

Answer

Organisms 1 and 2

Answer

Organisms 1 and 4

Answer

Organisms 3 and 4

Question 4

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

Accepted Answer

Acer negundo

Answer

Acer platanoides

Answer

Fraxinus americana

Answer

Fraxinus nigra

Question 5

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?

Accepted Answer

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Answer

https://uploads.quizalize.com/5269a3a3-a52d-e05d-09e7-0c89f0870ffe/question/98dfbb04-e169-3e3d-1060-e7cb1b725197.png

Answer

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Answer

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Question 6

A cladogram is shown below. All the animals to the right of the hagfish would have the common characteristic of -

Accepted Answer

jaws

Answer

claws or nails

Answer

fur

Answer

lungs

Question 7

While visiting a national park, a student encounters an unfamiliar organism in a damp area near a body of water. The student notes that the organism is about 10 cm long, has four legs, and has a tail. The organism is black with small white spots on its smooth, moist skin. It also appears to have an internal skeletal system. To which class does the organism most likely belong?

Accepted Answer

Amphibia

Answer

Reptilia

Answer

Insecta

Answer

Mammalia

Question 8

This dichotomous key can be used to identify some conifers. Based on the key, which of these best describes the leaves and cones of the longleaf pine?

Accepted Answer

Needle-like straight leaves that are mostly over 25 cm long and found in clusters of three; no thorns on cones

Answer

Flattened and scale-like leaves that are mostly over 25 cm long; soft and leathery cones

Answer

Needle-like straight leaves with a length of 25 cm that are mostly found in clusters of five; thorny cones

Answer

Leaves with a length of 25 cm that are found in clusters of more than five; no thorns on cones

Question 9

Simple leaves have a single leaf on a petiole, or stem, while compound leaves have more than one leaflet on a petiole. This unknown leaf can be identified using the dichotomous key. Which tree does the unknown leaf come from?

Accepted Answer

Quercus laceyi

Answer

Ungnadia speciosa

Answer

Salix nigra

Answer

Sophora secundiflora

Question 10

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

Accepted Answer

Taiwan catkin yew and lodgepole pine

Answer

Lodgepole pine and Japanese maple

Answer

Japanese maple and Taiwan beech

Answer

Taiwan beech and Taiwan catkin yew

Question 11

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 -

Accepted Answer

species

Answer

families

Answer

orders

Answer

kingdoms

Question 12

The relationships among different orders of millipedes are shown in the cladogram.Based on this cladogram, which statement best describes relationships among millipede orders?

Accepted Answer

Stemmiulida is more closely related to Merocheta than Penicillata is to Merocheta.

Answer

Polyzoniida is more closely related to Glomeridesmida than Sphaerotheriida is to Glomeridesmida.

Answer

Merocheta is more closely related to Glomeridesmida than Glomerida is to Glomeridesmida.

Answer

Spirostreptida is more closely related to Glomerida than Sphaerotheriida is to Glomerida.

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