Question 1

Major threats to biodiversity include

Accepted Answer

A)   habitat loss,usually because of conversion of natural habitat to human use.
B)   fragmentation of remaining habitat by human-dominated landscapes such as highways,urban areas,etc.
C)   an expanding human population that consumes increasing amounts of resources.
D)   All of the answers are correct.
E)   None of the answers are correct.F) B) and E)
G) A) and E)

Question 2

A vascular system is the _____.

Accepted Answer

A)   specialized plant tissues that transport water and nutrients
B)   organs of reproduction in plants
C)   specialized plant tissues responsible for photosynthesis
D)   tissues responsible for forming leaves
E)   fruit-producing organs in plantsF) All of the above
G) B) and D)

Question 3

Which statement is true about all animals?

Accepted Answer

A)   They are all multicellular eukaryotic heterotrophs.
B)   They all have an endoskeleton and bilateral symmetry.
C)   They are all single-celled species that can make their own food.
D)   They all have segmented body parts.
E)   none of theseF) B) and C)
G) B) and D)

Question 4

Which of these choices does NOT describe an area that usually has a biologically diverse ecosystem?

Accepted Answer

A)   an ecosystem with intact food webs and top predators
B)   an area with a highly fragmented landscape
C)   an area with a mosaic of physical,geographical,and climatic conditions
D)   an area with many unique types of habitats
E)   All of these describe areas that usually have high biodiversity.F) C) and D)
G) A) and B)

Question 5

Which is the correct evolutionary order of plants,from earliest to most recent,exhibiting the acquisition of terrestrial adaptations?

Accepted Answer

A)   sword fern,moss,maple,and pine
B)   sword fern,moss,pine,and maple
C)   moss,sword fern,pine,and maple
D)   moss,sword fern,maple,and pine
E)   maple,pine,sword fern,and mossF) A) and D)
G) C) and E)

Question 6

The diversity of habitats in a region increases the region's

Accepted Answer

A)   abundance of species.
B)   area.
C)   species richness.
D)   diversity.
E)   All of the answers are correct.F) B) and C)
G) A) and E)

Question 7

All of the following are characteristics of insects,EXCEPT

Accepted Answer

A)   they are invertebrates.
B)   they are arthropods.
C)   they have six legs.
D)   they have three body segments.
E)   they have an endoskeleton.F) A) and B)
G) B) and E)

Question 8

An example of a cnidarian is a

Accepted Answer

A)   clam.
B)   jellyfish.
C)   flatworm.
D)   slug.
E)   sea sponge.F) C) and E)
G) A) and E) B

Question 9

Which group of plants lack roots,seeds,and a vascular system?

Accepted Answer

A)   angiosperms
B)   gymnosperms
C)   ferns
D)   bryophytes
E)   treesF) A) and B)
G) A) and C) D

Question 10

Which characteristic is NOT one of the main features used to classify animals?

Accepted Answer

A)   presence or absence of a bony or cartilaginous backbone
B)   fur coloration
C)   type of skeleton
D)   type of symmetry
E)   presence or absence of body segmentationF) A) and B)
G) A) and C)

Question 11

Which of these actions are NOT usually associated with a loss of eukaryotic biodiversity?

Accepted Answer

A)   overexploitation of biotic resources
B)   habitat loss
C)   re-introduction of a traditional predator
D)   destruction of hot spots
E)   human-caused changes in land use patternsF) None of the above
G) C) and D)

Question 12

Fungi are members of the domain

Accepted Answer

A)   Bacteria.
B)   Protista.
C)   Archaea.
D)   Monera.
E)   Eukarya.F) C) and D)
G) B) and D)

Question 13

You are walking through a park,spending the morning in a rainforest environment,and by the afternoon you have entered a drier forest.Which of the following describes the changes in species composition you would expect?

Accepted Answer

A)   You see more snails in the dry forest than you see in the rainforest.
B)   You see more amphibians in the dry forest than you see in the rainforest.
C)   You see ferns in the dry forest but not in the rainforest.
D)   You see bryophytes in the rainforest but don't find them in the dry forest.
E)   You see more reptiles in the rainforest than you see in the dry forest.F) A) and B)
G) C) and E) D

Question 14

Which insect adaptation is thought to have had the greatest influence on the diversity of this group?

Accepted Answer

A)   exoskeleton
B)   endoskeleton
C)   bilateral symmetry
D)   multicellularity
E)   wingsF) A) and B)
G) B) and E)

Question 15

The most successful animal group is the

Accepted Answer

A)   chordate group.
B)   nematode group.
C)   mollusk group.
D)   arthropod group.
E)   echinoderm group.F) A) and E)
G) B) and D)

Question 16

Which habitat would contain the most species diversity?

Accepted Answer

A)   desert
B)   rainforest
C)   tundra
D)   bog
E)   lakeF) C) and D)
G) A) and E)

Question 17

Which of the following meals include a fungus? Select the TWO correct answers:

Accepted Answer

A)   a bread and blue cheese platter with fruit
B)   mushroom risotto
C)   a fruit salad
D)   yogurtE) C) and D)
F) All of the above

Question 18

Pine trees,redwoods,and conifers belong in which plant group?

Accepted Answer

A)   ferns
B)   bryophytes
C)   angiosperms
D)   gymnosperms
E)   All of the answers are correct.F) All of the above
G) A) and D)

Question 19

Which eukaryote evolved first?

Accepted Answer

A)   plants
B)   fungi
C)   protists
D)   humans
E)   spongesF) All of the above
G) D) and E)

Question 20

A protist is a

Accepted Answer

A)   single-celled member of domain Archaea.
B)   single-celled member of domain Eukarya.
C)   multicellular member of domain Archaea.
D)   multicellular member of domain Eukarya.
E)   multicellular member of either domain Archaea or Eukarya.F) A) and B)
G) C) and D)

Exam 18: Eukaryotic Diversity

Major threats to biodiversity include

Correct AnswerverifiedShow Answer

A vascular system is the _____.

Correct AnswerverifiedShow Answer

Which statement is true about all animals?

Correct AnswerverifiedShow Answer

Which of these choices does NOT describe an area that usually has a biologically diverse ecosystem?

Correct AnswerverifiedShow Answer

Which is the correct evolutionary order of plants,from earliest to most recent,exhibiting the acquisition of terrestrial adaptations?

Correct AnswerverifiedShow Answer

The diversity of habitats in a region increases the region's

Correct AnswerverifiedShow Answer

All of the following are characteristics of insects,EXCEPT

Correct AnswerverifiedShow Answer

An example of a cnidarian is a

Correct AnswerverifiedB

Which group of plants lack roots,seeds,and a vascular system?

Correct AnswerverifiedD

Which characteristic is NOT one of the main features used to classify animals?

Correct AnswerverifiedShow Answer

Which of these actions are NOT usually associated with a loss of eukaryotic biodiversity?

Correct AnswerverifiedShow Answer

Fungi are members of the domain

Correct AnswerverifiedShow Answer

You are walking through a park,spending the morning in a rainforest environment,and by the afternoon you have entered a drier forest.Which of the following describes the changes in species composition you would expect?

Correct AnswerverifiedD

Which insect adaptation is thought to have had the greatest influence on the diversity of this group?

Correct AnswerverifiedShow Answer

The most successful animal group is the

Correct AnswerverifiedShow Answer

Which habitat would contain the most species diversity?

Correct AnswerverifiedShow Answer

Which of the following meals include a fungus? Select the TWO correct answers:

Correct AnswerverifiedShow Answer

Pine trees,redwoods,and conifers belong in which plant group?

Correct AnswerverifiedShow Answer

Which eukaryote evolved first?

Correct AnswerverifiedShow Answer

A protist is a

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
B

Correct Answer
verified
D

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
D

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified