Two solid right cones of equal height and of radii r1 and r2 are melted and made to form a solid sphere of radius R. Then the height of the cone is 

TLS Online TPP Program

#Question id: 8952

#Unit 9. Diversity of Life Forms

The blastopore is a structure that first becomes evident during

TLS Online TPP Program

#Question id: 8953

#Unit 9. Diversity of Life Forms

The blastopore denotes the presence of an endoderm-lined cavity in the developing embryo, a cavity that is known as the

TLS Online TPP Program

#Question id: 8954

#Unit 9. Diversity of Life Forms

Which of the following is descriptive of protostomes?

TLS Online TPP Program

#Question id: 8955

#Unit 9. Diversity of Life Forms

Which of the following characteristics generally applies to protostome development?

TLS Online TPP Program

#Question id: 8956

#Unit 9. Diversity of Life Forms

Protostome characteristics generally include which of the following?

TLS Online TPP Program

#Question id: 8957

#Unit 9. Diversity of Life Forms

A student encounters an animal embryo at the eight-cell stage. The four smaller cells that comprise one hemisphere of the embryo seem to be rotated 45 degrees and lie in the grooves between larger, underlying cells (spiral cleavage). This embryo may potentially develop into a(n)