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TLS Online TPP Program

#Question id: 4610

It has been observed that organisms on islands are different from, but closely related to, similar forms found on the nearest continent. This is taken as evidence that ________.

#XL - S Microbiology

  1. island forms are descended from mainland forms

  2. common environments are inhabited by the same organisms

  3. island forms and mainland forms have identical gene pools

  4. the island forms and mainland forms are converging

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TLS Online TPP Program

#Question id: 32934

#XL - S Microbiology

Barophilic microorganisms thrive in environments with:
TLS Online TPP Program

#Question id: 2192

#XL - S Microbiology

Site-directed cross-linking is a technique that gives insight into what property of integral membrane proteins?
TLS Online TPP Program

#Question id: 10247

#XL - T Zoology

Deciduous oak habitats in southern Europe are superior to evergreen oak habitats from the perspective of the blue tit, a small songbird. As a result, blue tit populations in deciduous oak habitats have more potential for __________ and serving as __________ populations.
TLS Online TPP Program

#Question id: 9594

#XL - Q Biochemistry

The first reaction that converts electron energy into chemical energy—What will happened in  the primary photochemical event—
TLS Online TPP Program

#Question id: 10885

#XL - R Botany

In a field experiment, autotrophs are provided a 14C-labelled carbon compound for photosynthesis. Radioactivity (14C) levels were then monitored at regular intervals in all the trophic levels. In which ecosystem is the radioactivity likely to be detected in longer time at the higher trophic level?