At the same time, the protein products of the gap, pair-rule, and segment polarity genes interact to regulate another class of genes, the homeotic selector genes, whose transcription determines the developmental fate of each segment

TLS Online TPP Program

#Id: 5870

#Unit 10. Ecological Principles

Species turnover on islands is generally low - The number of species on an island might remain the same, but the composition of the species should change continuously as new species colonize the island and others become extinct.

TLS Online TPP Program

#Id: 5871

#Unit 10. Ecological Principles

Applied ecology

TLS Online TPP Program

#Id: 5872

#Unit 10. Ecological Principles

The Greenhouse Effect Causes the Earth’s Temperature to Rise

TLS Online TPP Program

#Id: 5873

#Unit 10. Ecological Principles

Solar radiation, in the form of short-wave energy, passes through the atmosphere to heat the Earth’s surface. 

Long-wave infrared energy is radiated back into the atmosphere. 

Most infrared energy is reflected by atmospheric gases, including carbon dioxide molecules, back to Earth, causing global temperatures to rise.

TLS Online TPP Program

#Id: 5874

#Unit 10. Ecological Principles

The greenhouse effect is caused by the insulating effect of atmospheric carbon dioxide.

TLS Online TPP Program

#Id: 5875

#Unit 10. Ecological Principles

Relative absorption per ppm of increase 

CO2= 1

Methane= 32

Nitrous oxide= 150

Chlorofluorocarbons= >10000