AnswersFL-2000310-Biology 1 BUnit Test

Unit Test — Unit test Answers

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Which series correctly lists the eight taxonomic levels in order, from the broadest group to the most specific group?

A
species, genus, family, order, class, phylum, kingdom, domain
B
domain, kingdom, phylum, class, order, family, genus, species
C
species, genus, family, class, order, phylum, kingdom, domain
D
domain, kingdom, phylum, order, class, family, genus, species
2
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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.
3

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.
4

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
5

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
6

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
7

The classification levels of a human are listed below from largest to smallest. EukaryaAnimaliaChordataMammaliaPrimatesHominidaeHomosapiensWhich level of biological classification do Mammalia and Hominidae represent, respectively?

A
class and family
B
order and class
C
family and species
D
species and kingdom
8

Which level of classification includes the most species?

A
kingdom
B
domain
C
genus
D
class
9

Phytoplankton, shown on the left in the image below, 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?

Question illustration
A
The whale is heterotrophic.
B
The whale has cell walls.
C
The whale is unicellular.
D
The whale is a prokaryote.
10

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

A
Animalia
B
Protista
C
Plantae
D
Eubacteria
11

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
12

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?
13

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
14

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
15

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

Question illustration
A
Phylogenetic trees are not subject to change.
B
Classification can change with new discoveries and evidence.
C
Classification does not change with more evidence.
D
Phylogenetic trees are inaccurate.
16

Mike is studying the phylogenetic tree for big cats. He made several statements about the tree. Which statement is not true?

Question illustration
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.
17

Maple trees are often tapped to extract the sap to make syrup. Which type of tissue is the aim of the tree tap?

A
dermal
B
meristem
C
ground
D
vascular
18

Scientists group organisms into kingdoms by looking at specific characteristics. Which is a characteristic of a carrot plant?

A
no cell walls
B
heterotrophic
C
unicellular
D
eukaryotic
19

Dichotomous keys ask

A
open-ended questions about animal behavior.
B
open-ended questions about easily observable characteristics.
C
yes-or-no questions about animal behavior.
D
yes-or-no questions about easily observable characteristics.
20

A teacher says she has identified an organism with these characteristics: eukaryotic, multicellular, autotrophic, and a cell wall made of cellulose. Which kingdom is the teacher describing?

A
Animalia
B
Protista
C
Plantae
D
Eubacteria

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