TLS Online TPP Program

#Question id: 8949


Which of the following functions is an advantage of a fluid-filled body cavity?

#Unit 9. Diversity of Life Forms
  1. Internal organs are cushioned and protected from injury.
  2. Organs can grow and move independently of the outer body wall.
  3. The fluid within the cavity acts as a hydrostatic skeleton.
  4. A, B and C all.
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TLS Online TPP Program

#Question id: 7767

#Unit 5. Developmental Biology

How can evolution select for phenotypes that postpone reproduction or sexual maturity?” There is often a trade-off between reproduction and maintenance, and in many species reproduction and senescence are closely linked. Recent studies of mice, Caenorhabditis elegans, and Drosophila suggest that there is a conserved genetic pathway that regulates aging and that it can indeed be selected for. This pathway involves the response to insulin and insulin-like growth factors, Name of these transcription factors are

TLS Online TPP Program

#Question id: 7768

#Unit 5. Developmental Biology

The insulin signaling pathway inhibits the synthesis of the Foxo transcription factor proteins that would otherwise increase cellular longevity. Downregulation of the insulin signaling pathway has several other functions, choose right one

TLS Online TPP Program

#Question id: 8289

#Unit 9. Diversity of Life Forms

The term convergent evolution is most applicable to which of the following features?

TLS Online TPP Program

#Question id: 8291

#Unit 9. Diversity of Life Forms

Which of the following pairs are the best examples of homologous structures?

TLS Online TPP Program

#Question id: 8293

#Unit 9. Diversity of Life Forms

The importance of computers and of computer software to modern systematics s is most closely linked to advances in ________.

TLS Online TPP Program

#Question id: 8685

#Unit 9. Diversity of Life Forms

Which of the following would be most useful in creating a phylogenetic tree of a taxon?