Biology Taxonomy Unit Test

Which question would be asked in a dichotomous key? A. How long are the insect's antennae? B. Are the insect's antennae longer than its head? C. Are the insect's antennae long or short? D. How does the insect use its antennae?

"Are the insect's antennae longer than its head?" would be asked in a dichotomous key.

Which is the correct written form of the scientific name that uses the rules of binomial nomenclature? A. Felis domesticus B. Felis Domesticus C. Felis domesticus D. felis domesticus

A. Felis domesticus

The chart in the image shows a portion of a dichotomous key. Which relationship can be determined from this dichotomous key? A. Organism X and organism Z have at least one observable trait in common. B. Organism Y has at least one observable trait in common with organisms X or Z. C. Organism X is in a different phylum than organism Y. D. Organism Z is genetically closer to organism X than to organism Y.

A. Organism X and organism Z have at least one observable trait in common.

Which example best demonstrates the importance of having knowledge of evolutionary relationships? A. illustration of a plant leaf B. organ transplantation between species C. blood donation from a human to a human D. DNA sequence of an insect

B. organ transplantation between species

Why are bacteria good at causing infections in other organisms?

Bacteria are transmitted easily and reproduce quickly.

In what respect is a mycelium and a fruiting body similar?

Both are made of hyphae.

See the attached image showing a portion of a dichotomous key for tree identification. What are the characteristics of a buckeye leaf? A. needlelike simple leaves attached opposite each other on the branch B. broad simple leaves attached at single points on the branch C. broad compound leaves attached at single points on the branch D. needlelike compound leaves attached staggered on the branch

C. Broad compound leaves attached at single points on the branch

Cacti typically grow in very dry climates with infrequent rainfall. When it does rain, the rain usually only penetrates a few inches into the soil. What adaptation is most likely to help a cactus survive in the dry climate? A. thick xylem tissue to transport sugar B. leaves that have a thin cuticle C. extensive shallow roots that absorb water D. more dermal tissue for food storage

C. extensive shallow roots that absorb water

Which level of classification contains orders but is smaller than phylum?

Class

Consider these phylogenetic trees. The first tree is based on physical characteristics. The second tree is based on structure, genetics, and evolutionary history. What can be concluded from a comparison of the two phylogenetic trees?

Classification can change with new discoveries and evidence.

Consider this microscopic image of bacteria. Which type of bacteria is shown in the image?

Coccus

Consider the diagram of the basic structure of a bacterium. Which of the labeled structures in the image allows bacteria to exchange genetic material and thus evolve to be better pathogens?

D

The attached diagram summarizes a method to group land plants. Which row in the table best represents the evolution of plants that match the diagram?

D

An organism has the following characteristics: cell wall, autotrophic, unicellular, and eukaryotic. What kingdom does it most likely belong in?

Protista

Why are angiosperms the most diverse and successful plant group today?

Reproduction is aided by flowers, protected seeds, and insect pollinators.

Refer to the portion of a dichotomous key in the image to answer this question: What would the result be when identifying a fish with a single dorsal fin, no fin on its back near the tail, and a tail that is asymmetrical?

Sturgeon

Which correctly distinguishes between how a pine tree and an apple tree reproduce?

The pine tree has unprotected seeds; the apple tree has seeds in fruit.

The attached image shows a tulip plant. Which statement best describes how the flower is categorized based on its physical characteristics?

The tulip plant is categorized as a monocot.

Phytoplankton, shown on the left in the attached image, are microscopic organisms that can be found in freshwater and salt water environments. They perform photosynthesis to get energy and act as an important food source for larger organisms, such as the whale that is shown on the right. Which characteristic describes the whale but not its food source, the phytoplankton?

The whale is heterotrophic.

Beans, peaches, and tomatoes are all in the same group of plants. What do these plants have in common?

They bear flowers and seeds.

What do sclerenchyma and collenchyma have in common?

They both function for support.

Which best describes the difference between protists that have cilia and those that have flagella?

Those with cilia move using hair-like extensions, and those with flagella move using a single whip-like extension.

Why do viruses not have special structures or enzymes that allow them to make their own food?

Viruses can use energy of living cells that they infect.

Ceratium fusus is a protist that is found primarily in coastal waters. These organisms are unique because they can undergo a special chemical reaction at night that helps defend them against predators. It provides defense by attracting larger predators that prey on the organisms that eat Ceratium fusus. Which characteristic of Ceratium fusus is being described?

bioluminescence

Which structure allows a virus to recognize and attach to receptors on the host cell?

capsid protein

The classification levels of a human are listed below from largest to smallest. Eukarya Animalia Chordata Mammalia Primates Hominidae Homo sapiens Which level of biological classification do Mammalia and Hominidae represent, respectively?

class and family

Dichotomous keys are constructed based on ______________________________.

combinations of characteristics in known organisms.

An example of genetic recombination is shown in the attached image. Which type of bacterial reproduction is depicted in the diagram?

conjugation

When a plant produces sugars and transports them during translocation, which main plant tissues are at work?

vascular and ground

Which protist exhibits both animal-like and plant-like characteristics?

A protist that is a heterotroph and has chlorophyll

Which statement is best supported by the data in the graph? (see image) A. Since 2000, there has been an increase in the number of people living with HIV, but a decrease in the number of people newly infected with HIV. B. Since 1990, both the number of new HIV infections and the number of deaths due to AIDS has consistently increased. C. The life span of a person living with HIV has become shorter. D. Twice as many people were living with HIV in 2008 than in 2000.

A. Since 2000, there has been an increase in the number of people living with HIV, but a decrease in the number of people newly infected with HIV.

Shelby is a plant breeder who is trying to identify the cause of a disease among a group of trees. She observes that the organism reproduces through spores and has reproductive structures that are shaped like a sac. Which type of fungus is it?

Ascomycota

Which best describes the different modes of bacterial reproduction? A. In genetic recombination, two new genetically identical cells are produced. B. In conjugation, a special sex pilus is required to connect two bacterial cells. C. In transduction, a bacterium exchanges a piece of its own DNA with another from the environment. D. In transformation, bacterial DNA is transferred from one bacterium to another by a replicating virus.

B. In conjugation, a special sex pilus is required to connect two bacterial cells.

A scientist has correctly gone through all the possible steps in a dichotomous key, but has not identified an insect. Which most likely describes why he did not identify the insect? A. The scientist must have made a mistake. B. The insect might be an unknown variation or a new species. C. The organism evolved during identification. D. The dichotomous key had too many questions.

B. The insect might be an unknown variation or a new species.

Mike is studying the phylogenetic tree for big cats. (see image) He made several statements about the tree. Which statement is not true? A. The leopard is more closely related to the jaguar than to the snow leopard. B. The leopard is more closely related to the tiger than to the clouded leopard. C. The leopard is more closely related to the snow leopard than to the clouded leopard. D. The leopard is more closely related to the tiger than to the snow leopard.

D. The leopard is more closely related to the tiger than to the snow leopard.

When an insect is feeding on a plant, which 2 types of tissue are at work to protect the plant and help it heal from injury?

Dermal and collenchyma

Which level of classification includes the most species?

Domain

Which kingdom includes both unicellular and multicellular organisms?

Fungi

A biologist is in the process of classifying a newly discovered fungus. The fungus is a decomposer and has saclike structures. The organism most likely belongs in the same group as which of the following? A. Fungi that are rusts B. Fungi associated with bread mold C. Fungi that makes blue cheese D. Fungi that are autotrophic decomposers

Fungi that makes blue cheese

The cactus has a specialized fleshy stem that is specialized to store water for long periods of time. Which plant tissue most likely makes this action possible?

Ground

What happens during the lysogenic cycle?

In the lysogenic cycle, genetic material from the virus and host cells are integrated and are called a provirus.

The three main organs that make up the plant body are identified in the attached image. What is the main function of the structure that is identified as A in the accompanying image?

It produces food

Which can modern taxonomy do? A. design tables based on physical characteristics B. compare the length of DNA among members of a species C. compare the length of RNA among members of a species D. distinguish how closely related organisms are

Modern taxonomy can distinguish how closely related organisms are.

See the table in the attached image. Describe X and Y

X = Spherical Y = E. coli

What is the difference between xylem and phloem?

Xylem transports water and nutrients in the plant, and phloem transports water and sugar.

A student studies a plant specimen. The student notices that the plant has seeds that are enclosed by a fruit. Which term can the student use to definitely describe the plant based on the evidence that they see?

angiosperm

A botanist has discovered a new plant species and is trying to classify the plant. Its seed has one cotyledon, it has six flower parts, its leaves have parallel veins, its stem is herbaceous, and the vascular bundles in its stem are scattered throughout the stem. Which best classifies this plant?

angiosperm and monocot

When protists and fungi are compared, which feature is unique to protists?

pseudopods

Lists the eight taxonomic levels in order, from the broadest group to the most specific group.

domain kingdom phylum class order family genus species

Potatoes are specialized stems that store food for potato plants. Which main tissue would you expect to primarily make up a potato?

ground tissue

Which level of biological classification is the lowest level that butterflies (invertebrates) and dogs (vertebrates) have in common?

kingdom

Which component of a virus is lacking in a cell?

protein capsid