Practice Questions

TLS Online TPP Program

#Question id: 9197

What is the biological significance of genetic diversity between populations?

#SCPH28 | Zoology

Genes for traits conferring an advantage to local conditions are unlikely.
The population that is most fit would survive by competitive exclusion.
Genetic diversity reduces the probability of extinction.
Diseases and parasites are not spread between separated populations.

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TLS Online TPP Program

#Question id: 8918

#SCPH06 I Botany

In individual insects of some species, whole chromosomes that carry larval genes are eliminated from the genomes of somatic cells at the time of metamorphosis. A consequence of this occurrence is that

TLS Online TPP Program

#Question id: 27753

#Research Methodology

What is presented in the findings section of a research report?

TLS Online TPP Program

#Question id: 5524

#I Life Science/ Life Sciences Group – I-V

Interaction of the optic stalk with ectoderm makes the development of the

TLS Online TPP Program

#Question id: 12572

#SCPH06 I Botany

Use what you know about ecosystem stability and the information provided in the graph below to answer the following question.

Which community (a-e) would likely be the most biodiverse?

TLS Online TPP Program

#Question id: 9217

#SCPH06 I Botany

Which of the following conditions is the most likely indicator of a population in an extinction vortex?