Bio 1150 Exam 1 Questions With Correct
Answers
What is the species that comprises most of life on Earth? - CORRECT
| | | | | | | | | | | | |
ANSWER✔✔-Insects
What can change organismal diversity? - CORRECT ANSWER✔✔-
| | | | | | |
Latitude
Precipitation
Seasonality
Continental drift |
Temperature changes |
Oxygen changes
|
Cambrian explosion - CORRECT ANSWER✔✔-A sudden increase in
| | | | | | | |
diversity of many animal phyla. Growth in oxygen levels, temperatures
| | | | | | | | | |
changed
Biodiversity - CORRECT ANSWER✔✔-A balance between species
| | | | | | |
formation and species lost
| | |
,What is the primary condition for a mass extinction? - CORRECT
| | | | | | | | | | |
ANSWER✔✔-75% of all species are wiped out | | | | | |
Permian extinction - CORRECT ANSWER✔✔-Caused by a volcanic
| | | | | | | |
eruption, due to changing oxygen and methane levels and a change in
| | | | | | | | | | | |
temperature
K-T extinction - CORRECT ANSWER✔✔-Caused by an asteroid, resulting
| | | | | | | | |
in the extinction of the dinosaurs
| | | | |
What happened as a result of the K-T extinction? - CORRECT
| | | | | | | | | | |
ANSWER✔✔-Mammals diversified and thrived because of the lower | | | | | | | |
number of predators and less competition for resources and habitat
| | | | | | | | |
What condition tends to follow mass extinctions? - CORRECT
| | | | | | | | |
ANSWER✔✔-Global temperatures increasing | |
Consequences of mass extinctions - CORRECT ANSWER✔✔-The altering
| | | | | | | |
of ecological communities and niches available, can take 5-100 mil years
| | | | | | | | | |
for diversity to recover, can change the types of organisms found in the
| | | | | | | | | | | | | |
communities
Adaptive radiation - CORRECT ANSWER✔✔-Rapid evolution of diversely
| | | | | | | |
adapted species from a common ancestor. Follow mass extinctions and
| | | | | | | | | |
, the colonization of new regions. Groups of organisms form new species
| | | | | | | | | | |
whose adaptations allow them to fill different ecological roles
| | | | | | | |
Macroevolution - CORRECT ANSWER✔✔-Evolutionary change above the | | | | | |
species level
| |
Endosymbiosis - CORRECT ANSWER✔✔-When a prokaryotic cell engulfs| | | | | | | |
a small cell that evolves into a mitochondrion
| | | | | | |
Heterochrony - CORRECT ANSWER✔✔-An evolutionary change in the
| | | | | | | |
rate or timing of developmental events
| | | | |
Larmarck's Hypothesis of Evolution - CORRECT ANSWER✔✔-Use &
| | | | | | | |
disuse- parts of the body that are used become larger and stronger,
| | | | | | | | | | | |
parts that are not used deteriorate
| | | | |
Inheritance of acquired characteristics- the passing of these
| | | | | | | |
modifications to offspring | |
Homology - CORRECT ANSWER✔✔-Similarity resulting in common
| | | | | | |
ancestry
Convergent evolution - CORRECT ANSWER✔✔-the independent
| | | | | |
evolution of similar features in different lineages
| | | | | |
Answers
What is the species that comprises most of life on Earth? - CORRECT
| | | | | | | | | | | | |
ANSWER✔✔-Insects
What can change organismal diversity? - CORRECT ANSWER✔✔-
| | | | | | |
Latitude
Precipitation
Seasonality
Continental drift |
Temperature changes |
Oxygen changes
|
Cambrian explosion - CORRECT ANSWER✔✔-A sudden increase in
| | | | | | | |
diversity of many animal phyla. Growth in oxygen levels, temperatures
| | | | | | | | | |
changed
Biodiversity - CORRECT ANSWER✔✔-A balance between species
| | | | | | |
formation and species lost
| | |
,What is the primary condition for a mass extinction? - CORRECT
| | | | | | | | | | |
ANSWER✔✔-75% of all species are wiped out | | | | | |
Permian extinction - CORRECT ANSWER✔✔-Caused by a volcanic
| | | | | | | |
eruption, due to changing oxygen and methane levels and a change in
| | | | | | | | | | | |
temperature
K-T extinction - CORRECT ANSWER✔✔-Caused by an asteroid, resulting
| | | | | | | | |
in the extinction of the dinosaurs
| | | | |
What happened as a result of the K-T extinction? - CORRECT
| | | | | | | | | | |
ANSWER✔✔-Mammals diversified and thrived because of the lower | | | | | | | |
number of predators and less competition for resources and habitat
| | | | | | | | |
What condition tends to follow mass extinctions? - CORRECT
| | | | | | | | |
ANSWER✔✔-Global temperatures increasing | |
Consequences of mass extinctions - CORRECT ANSWER✔✔-The altering
| | | | | | | |
of ecological communities and niches available, can take 5-100 mil years
| | | | | | | | | |
for diversity to recover, can change the types of organisms found in the
| | | | | | | | | | | | | |
communities
Adaptive radiation - CORRECT ANSWER✔✔-Rapid evolution of diversely
| | | | | | | |
adapted species from a common ancestor. Follow mass extinctions and
| | | | | | | | | |
, the colonization of new regions. Groups of organisms form new species
| | | | | | | | | | |
whose adaptations allow them to fill different ecological roles
| | | | | | | |
Macroevolution - CORRECT ANSWER✔✔-Evolutionary change above the | | | | | |
species level
| |
Endosymbiosis - CORRECT ANSWER✔✔-When a prokaryotic cell engulfs| | | | | | | |
a small cell that evolves into a mitochondrion
| | | | | | |
Heterochrony - CORRECT ANSWER✔✔-An evolutionary change in the
| | | | | | | |
rate or timing of developmental events
| | | | |
Larmarck's Hypothesis of Evolution - CORRECT ANSWER✔✔-Use &
| | | | | | | |
disuse- parts of the body that are used become larger and stronger,
| | | | | | | | | | | |
parts that are not used deteriorate
| | | | |
Inheritance of acquired characteristics- the passing of these
| | | | | | | |
modifications to offspring | |
Homology - CORRECT ANSWER✔✔-Similarity resulting in common
| | | | | | |
ancestry
Convergent evolution - CORRECT ANSWER✔✔-the independent
| | | | | |
evolution of similar features in different lineages
| | | | | |
