Answers24 - 25 CR - Biology B 0411KBFactors Affecting Biological Diversity-Standard Bio 4.4

Factors Affecting Biological Diversity-Standard Bio 4.4 — Unit test Answers

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Consider the table.Types of BacteriaFormShapeAssociated diseaseCoccusXStrep throatBacillusRod shapedYSpirillumSpiralCholera Which best describes X and Y?

A
X = Spherical; Y = E. coli
B
X = Comma shaped; Y = Whooping cough
C
X = Oval shaped; Y = S. aureus
D
X = Rod shaped; Y = Pneumonia
2
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Which component of a virus is lacking in a cell?

A
DNA
B
ribosomes
C
protein capsid
D
RNA
3

Use this portion of a dichotomous key for tree identification to answer the question.1a. Needlelike leaf ® Step 101b. Broad leaf ® Step 22a. Compound leaf ® Step 32b. Simple leaf ® Step 73a. Leaves attached at single point ® Buckeye3b. Leaves attached at many points ® Step 44a. Leaf bases attached opposite each other on branch ® Ash4b. Leaf bases attached staggered on branch ® Step 5What 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
4

This diagram summarizes a method to group land plants. Which row in the table best represents the evolution of plants that match the diagram? Labels for Plant Classifications 123456AGymnospermsAngiospermsSeed plantsSeedless plantsMonocotsDicotsBDicotsMonocotsAngiospermsGymnospermsSeed plantsSeedless plantsCSeed plantsSeedless plantsAngiospermsGymnospermsDicotsMonocotsDSeedless plantsSeed plantsGymnospermsAngiospermsMonocotsDicots

Question illustration
A
A
B
B
C
C
D
D
5

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

A
The pine tree bears flowers; the apple tree does not have any flowers.
B
The pine tree has unprotected seeds; the apple tree has seeds in fruit.
C
The pine tree is vascular; the apple tree is a seedless, nonvascular plant.
D
The pine tree is nonvascular; the apple tree is vascular.
6

Which best describes the lysogenic cycle?

A
A person who is infected with the herpes virus may develop a cold sore when the virus is in the lysogenic cycle.
B
The lysogenic cycle occurs mainly in extremely infectious diseases that rapidly cause infection.
C
In the lysogenic cycle, genetic material from the virus and host cells are integrated and are called a provirus.
D
In the lysogenic cycle, virus particles are produced and assembled within the host cell.
7

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

A
dermal and collenchyma
B
parenchyma and collenchyma
C
vascular and dermal
D
ground and parenchyma
8

This chart shows a portion of a dichotomous key.Dichotomous KeyWhich relationship can be determined from this dichotomous key?

Question illustration
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.
9

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

Question illustration
A
bacillus
B
coccus
C
spirillum
D
cholera
10

These are the three main organs that make up the plant body. What is the main function of the structure that is identified as A in the picture above?

Question illustration
A
It anchors the plant.
B
It produces food.
C
It absorbs nutrients.
D
It supports the plant.
11

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

A
Those that have cilia are animal-like protists, and those that have flagella are plant-like protists.
B
Those that have flagella are animal-like protists, and those that have cilia are plant-like protists.
C
Those with cilia move using hair-like extensions, and those with flagella move using a single whip-like extension.
D
Those that have cilia are heterotrophs, and those that have flagella are autotrophs.
12

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 that are associated with bread mold
C
fungi that makes blue cheese
D
fungi that are autotrophic decomposers
13

This is a tulip plant. Which statement best describes the flower based on its physical characteristics?

Question illustration
A
The tulip plant is classified as a dicot.
B
The tulip plant has netted veins.
C
The tulip plant has ring-like vascular bundles.
D
The tulip plant is categorized as a monocot.
14

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?

A
apical
B
dermal
C
ground
D
vascular
15

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?
16

Refer to this portion of a dichotomous key to answer the question.1. (a) Has a single dorsal fin ® 5 (b) Has a double dorsal fin ® 25. (a) Has a small fin on back near tail ® 6 (b) Has no fin on back near tail ® 76. (a) Has barbs near the mouth ® Catfish (b) Does not have barbs near the mouth ® 107. (a) Tail is asymmetrical ® Sturgeon (b) Tail is symmetrical ® 8What 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?

A
sturgeon
B
go to step 8
C
go to step 2
D
catfish
17

Which statement is best supported by the data in the graph?

Question illustration
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.
18

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

A
ground
B
dermal
C
vascular
D
phloem

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