Question 1

Which of the following statements about vertebrates is False?

Accepted Answer

A)  Vertebrates have backbones. 
B)  Vertebrates have complete body cavities. 
C)  Vertebrates have complete organ systems. 
D)  Vertebrates have the lowest extinction rates. 
A)  Vertebrates have backbones. 
B)  Vertebrates have complete body cavities. 
C)  Vertebrates have complete organ systems. 
D)  Vertebrates have the lowest extinction rates.

Question 2

What are the characteristics of the rhizaria supergroup?

Accepted Answer

A)  Consists of ancestors to modern plants 
B)  Organisms in this supergroup have pseudopods 
C)  Organisms in this group have flagellated cells at some point in their life cycle 
D)  This is the most diverse group that are closely related based on their genetic information 
A)  Consists of ancestors to modern plants 
B)  Organisms in this supergroup have pseudopods 
C)  Organisms in this group have flagellated cells at some point in their life cycle 
D)  This is the most diverse group that are closely related based on their genetic information

Question 3

New species form over time in response to

Accepted Answer

A)  adaptations that allow for survival in different environments. 
B)  events that promote rapid changes in a species. 
C)  isolation of organisms from one another. 
D)  All of the answer choices are correct. 
A)  adaptations that allow for survival in different environments. 
B)  events that promote rapid changes in a species. 
C)  isolation of organisms from one another. 
D)  All of the answer choices are correct.

Question 4

Which of the following evolutionary events happened during the Mesozoic Era?

Accepted Answer

A)  Modern humans appear 
B)  Placental mammals appear 
C)  Reptiles appear 
D)  Oxygen accumulates in the atmosphere 
A)  Modern humans appear 
B)  Placental mammals appear 
C)  Reptiles appear 
D)  Oxygen accumulates in the atmosphere

Question 5

Molluscs were the first organisms to have a(an) ______ body plan and well-developed organ systems.

Accepted Answer

A)  acoelomate 
B)  pseudocoelomate 
C)  coelomate 
A)  acoelomate 
B)  pseudocoelomate 
C)  coelomate

Question 6

Which statement best describes the number of evolutionary events?

Accepted Answer

A)  There have been 5 major extinction events and the 6th is in progress. 
B)  There have been 3 major extinction events and the 4th is in progress. 
C)  There have been 3 major extinction events and there will be no future events. 
D)  There have been 5 major extinction events and there will be no future events. 
A)  There have been 5 major extinction events and the 6th is in progress. 
B)  There have been 3 major extinction events and the 4th is in progress. 
C)  There have been 3 major extinction events and there will be no future events. 
D)  There have been 5 major extinction events and there will be no future events.

Question 7

Major extinction events occur

Accepted Answer

A)  as a result of punctuated events. 
B)  as a result of gradual events. 
A)  as a result of punctuated events. 
B)  as a result of gradual events.

Question 8

Which supergroup consists of organisms with external structures that consist of calcium carbonate or silicon?

Accepted Answer

A)  Excavata 
B)  Rhizaria 
C)  Chromalveolata 
D)  Opisthokonta 
A)  Excavata 
B)  Rhizaria 
C)  Chromalveolata 
D)  Opisthokonta

Question 9

Sea stars are in the phylum Echinoderms. From the list provided, select the characteristics that are observed in this phylum.

Accepted Answer

A)  They prey on molluscs. 
B)  Most have radial symmetry. 
C)  They are pseudoceolomates. 
D)  They have an incomplete nervous system. 
A)  They prey on molluscs. 
B)  Most have radial symmetry. 
C)  They are pseudoceolomates. 
D)  They have an incomplete nervous system.

Question 10

Which of the following species belongs in the jawless class of fish?

Accepted Answer

A)  Lamprey 
B)  Rays 
C)  Trout 
D)  Ancient fish 
A)  Lamprey 
B)  Rays 
C)  Trout 
D)  Ancient fish

Question 11

Over the past 30 years, the arthropod population had declined by approximately

Accepted Answer

A)  80%. 
B)  50%. 
C)  25% 
D)  10%. 
A)  80%. 
B)  50%. 
C)  25% 
D)  10%.

Question 12

Sexual reproduction in fungi is through a process called ______ that results the formation of a zygote.

Accepted Answer

A)  nuclear fusion 
B)  binary fission 
C)  mitosis 
D)  sporulation 
A)  nuclear fusion 
B)  binary fission 
C)  mitosis 
D)  sporulation

Question 13

Which human impact has globally placed over 85% of species on the endangered species list?

Accepted Answer

A)  Habitat destruction 
B)  Introduction of invasive species 
C)  Pollution 
D)  Overexploitation 
A)  Habitat destruction 
B)  Introduction of invasive species 
C)  Pollution 
D)  Overexploitation

Question 14

Jellyfish were the first to evolve with True tissues. This led to a(an)

Accepted Answer

A)  increase in specialized cells. 
B)  increase in motility. 
C)  decrease in asexual reproduction. 
D)  decrease in evolutionary advances. 
A)  increase in specialized cells. 
B)  increase in motility. 
C)  decrease in asexual reproduction. 
D)  decrease in evolutionary advances.

Question 15

Phylogenetic trees relate organisms

Accepted Answer

A)  based on homologous structures. 
B)  based on their evolutionary relationships. 
C)  using their ribosomal RNA. 
D)  All of the answer choices are correct. 
A)  based on homologous structures. 
B)  based on their evolutionary relationships. 
C)  using their ribosomal RNA. 
D)  All of the answer choices are correct.

Question 16

Which of the following evolutionary events happened during the Cenozoic Era?

Accepted Answer

A)  Modern humans appear 
B)  Placental mammals appear 
C)  Reptiles appear 
D)  Oxygen accumulates in the atmosphere 
A)  Modern humans appear 
B)  Placental mammals appear 
C)  Reptiles appear 
D)  Oxygen accumulates in the atmosphere

Question 17

Which supergroup consists of dinoflagellates and parasitic sporozoans?

Accepted Answer

A)  Excavata 
B)  Rhizaria 
C)  Chromalveolata 
D)  Opisthokonta 
A)  Excavata 
B)  Rhizaria 
C)  Chromalveolata 
D)  Opisthokonta

Question 18

What were the two key events needed for the first cells to evolve?

Accepted Answer

A)  the formation of the plasma membrane and genetic material 
B)  the formation of the cell wall and genetic material 
C)  the formation of a capsule and the plasma membrane 
D)  the formation of the pilus and the flagella 
A)  the formation of the plasma membrane and genetic material 
B)  the formation of the cell wall and genetic material 
C)  the formation of a capsule and the plasma membrane 
D)  the formation of the pilus and the flagella

Question 19

Invertebrates are separated from vertebrates by not

Accepted Answer

A)  having a backbone. 
B)  conducting cellular respiration. 
C)  producing offspring by sexual reproduction. 
D)  being affected by the extinction crisis. 
A)  having a backbone. 
B)  conducting cellular respiration. 
C)  producing offspring by sexual reproduction. 
D)  being affected by the extinction crisis.

Question 20

Fragmented habitats are those that prevent movement of species and promote inbreeding and reduced reproduction.

Accepted Answer

A) True 
 B)False

Which of the following statements about vertebrates is False?

What are the characteristics of the rhizaria supergroup?

New species form over time in response to

Which of the following evolutionary events happened during the Mesozoic Era?

Molluscs were the first organisms to have a(an) ______ body plan and well-developed organ systems.

Which statement best describes the number of evolutionary events?

Major extinction events occur

Which supergroup consists of organisms with external structures that consist of calcium carbonate or silicon?

Sea stars are in the phylum Echinoderms. From the list provided, select the characteristics that are observed in this phylum.

Which of the following species belongs in the jawless class of fish?

Over the past 30 years, the arthropod population had declined by approximately

Sexual reproduction in fungi is through a process called ______ that results the formation of a zygote.

Which human impact has globally placed over 85% of species on the endangered species list?

Jellyfish were the first to evolve with True tissues. This led to a(an)

Phylogenetic trees relate organisms

Which of the following evolutionary events happened during the Cenozoic Era?

Which supergroup consists of dinoflagellates and parasitic sporozoans?

What were the two key events needed for the first cells to evolve?

Invertebrates are separated from vertebrates by not

Fragmented habitats are those that prevent movement of species and promote inbreeding and reduced reproduction.

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Exam 9: Annelids, Nematoda, Echinoderms, Primates, Biodiversity, and Speciation

Which of the following statements about vertebrates is False?

What are the characteristics of the rhizaria supergroup?

New species form over time in response to

Which of the following evolutionary events happened during the Mesozoic Era?

Molluscs were the first organisms to have a(an) ______ body plan and well-developed organ systems.

Which statement best describes the number of evolutionary events?

Major extinction events occur

Which supergroup consists of organisms with external structures that consist of calcium carbonate or silicon?

Sea stars are in the phylum Echinoderms. From the list provided, select the characteristics that are observed in this phylum.

Which of the following species belongs in the jawless class of fish?

Over the past 30 years, the arthropod population had declined by approximately

Sexual reproduction in fungi is through a process called ______ that results the formation of a zygote.

Which human impact has globally placed over 85% of species on the endangered species list?

Jellyfish were the first to evolve with True tissues. This led to a(an)

Phylogenetic trees relate organisms

Which of the following evolutionary events happened during the Cenozoic Era?

Which supergroup consists of dinoflagellates and parasitic sporozoans?

What were the two key events needed for the first cells to evolve?

Invertebrates are separated from vertebrates by not

Fragmented habitats are those that prevent movement of species and promote inbreeding and reduced reproduction.

Understanding Cancer: Causes, Effects, and Treatments

Climate Change, Global Warming, and Greenhouse Gases

The Function and Importance of Fitness Trackers

Genetic Modification, Global Warming, and Plant Kingdom: Exploring Impacts and Benefits

Nutrient Types and Energy Processes

Understanding Natural Selection, Vaccines, and Viral Reproduction

Characteristics, Functions, and Analysis of Genetic Diseases and DNA

Filters