During chick development, wing feather, thigh feather and claws development depends on epithelial specificity give induction from mesenchymal components from different sources of the dermal. This may be attributed to?

TLS Online TPP Program

#Question id: 4966

#Unit 11. Evolution and Behavior

If it were possible to conduct sophisticated microscopic and chemical analyses of microfossils found in 3.2-billion-year-old stromatolites, then within such microfossils, one should be surprised to observe evidence of:

I. double-stranded DNA

II. a nuclear envelope

III. a nucleoid

IV. a nucleolus

V. nucleic acids

TLS Online TPP Program

#Question id: 4967

#Unit 11. Evolution and Behavior

Recent evidence indicates that the first major diversification of multicellular eukaryotes may have coincided in time with the

TLS Online TPP Program

#Question id: 4968

#Unit 11. Evolution and Behavior

Which of these observations fails to support the endosymbiotic theory for the origin of eukaryotic cells?

TLS Online TPP Program

#Question id: 4969

#Unit 11. Evolution and Behavior

The snowball Earth hypothesis provides a possible explanation for the

TLS Online TPP Program

#Question id: 4970

#Unit 11. Evolution and Behavior

If two continental land masses converge and are united, then the collision should cause

TLS Online TPP Program

#Question id: 4971

#Unit 11. Evolution and Behavior

On the basis of their morphologies, how might Linnaeus have classified the Hawaiian silverswords?