Practice Questions

TLS Online TPP Program

#Question id: 4969

The snowball Earth hypothesis provides a possible explanation for the

#Unit 11. Evolution and Behavior

diversification of animals during the late Proterozoic.
oxygenation of Earthʹs seas and atmosphere.
colonization of land by plants and fungi.
origin of O2-releasing photosynthesis.

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TLS Online TPP Program

#Question id: 12586

#Unit 10. Ecological Principles

A biome with dry and rainy seasons, trees in patches, and ground cover of tropical bunchgrass is called a

TLS Online TPP Program

#Question id: 12587

#Unit 10. Ecological Principles

The most plausible hypothesis to explain why species richness is higher in tropical than in temperate regions is that

TLS Online TPP Program

#Question id: 12588

#Unit 10. Ecological Principles

According to the equilibrium model of island biogeography, species richness would be greatest on an island that is

TLS Online TPP Program

#Question id: 12589

#Unit 10. Ecological Principles

Which of these ecosystems has the highest net primary productivity per square meter?

TLS Online TPP Program

#Question id: 12590

#Unit 10. Ecological Principles

Species introduced to new geographic locations

TLS Online TPP Program

#Question id: 12591

#Unit 10. Ecological Principles

A community's actual evapotranspiration is a reflection of