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BSC1005 Biodiversity Exam Questions With Revised Answers
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BSC1005 Biodiversity Exam Questions With Revised Answers. Biodiversity - answerThe variety of life, and can refer to: habitat, species and genetic diversity, etc.. Developmental Diversity - answerDifferences in cells within the body Genetic Biodiversity - answerDifferences in genes Geographic...

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  • September 4, 2024
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  • 2024/2025
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©THEBRIGHTSTARS 2024



BSC1005 Biodiversity Exam Questions
With Revised Answers.


Biodiversity - answer✔✔The variety of life, and can refer to: habitat, species and genetic
diversity, etc..

Developmental Diversity - answer✔✔Differences in cells within the body

Genetic Biodiversity - answer✔✔Differences in genes

Geographical Biodiversity - answer✔✔Differences in life between geographical regions

Vast Number in species of life - answer✔✔There are between 1.5 and 2 million named species
of living things on earth. Plants-300,000 Fungi-100,000 Bacteria and Protista-100,000
Vertebrates-50,000 Insects-950,000

Species - answer✔✔A population or group of populations of organisms that are very similar to
one another(share a recent evolutionary history)

Important components of species - answer✔✔The ability to interbreed

Lennean system of classification - answer✔✔Binomial names(two names)

Genus Species - answer✔✔ex. Homo sapiens(humans)... homo is the genus name and sapiens is
the species

Species Richness - answer✔✔The number of species occurring in a particular area

Species Diversity - answer✔✔combination of number of species and relative number of
individuals of each species

Diversity of species throughout the world - answer✔✔Species are NOT spread evenly
throughout the world, ex. tropical areas typically have more species than temperate ones

Ecosystems - answer✔✔Combination of both biotic and abiotic factors

Ecosystem Services - answer✔✔Something such as oxygen, fresh water, or food that is provided
by an ecosystem by its species

, ©THEBRIGHTSTARS 2024


Genomics - answer✔✔The new use of the comparative method

Genome - answer✔✔entire set of genetic material in a cell

Allele - answer✔✔particular version of a gene

Source of Genetic variation - answer✔✔individuals having different alleles

Human Impact on biodiversity - answer✔✔Is negative due to human interactions such as
pollution, agriculture, etc

World Event taking place due to negative human impact on biodiversity - answer✔✔Going into
the world's 6th mass extinction event. current extinction rates are between 10 and 100 times
higher than those estimated from the fossil record

Populational thinking - answer✔✔-Is a way of looking at the world. Views people, animals,
bacteria, cities,etc. as being parts of a population of similar things
-Individuals are being influenced by many factors so it can be hard to say the cause of something
is

Typologically - answer✔✔assigns different things to categories

Evolution - answer✔✔based on the variation with natural selection being the primary
mechanism of evolution. characteristics that help organisms surviveand reproduce will become
prevalent in that environment.

Three that must take place for evolution to occur - answer✔✔-competition(more born than
survive)
-inheritance(pass traits to offspring)
-variation(individuals all have different traits)

Charles Darwin - answer✔✔Traveled to the galapagos. This where came up with the idea of
evolution/

Darwin's two main ideas - answer✔✔-descent with modification
-natural selection

Evidence of evolution - answer✔✔-Life on islands
-Homology
-Fossil Record

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