Which of the following is the characteristics of a realized niche?

a. Resource utilisation more

b. Determine by abiotic factors

c. limiting the areas inhabited by their prey or  hosts

d. Limited their niche by the temperature

TLS Online TPP Program

#Question id: 28324

#Unit 5. Developmental Biology

Echinoderms exhibit which type of cleavage?

TLS Online TPP Program

#Question id: 28325

#Unit 5. Developmental Biology

The pattern of embryonic cleavage peculiar to a species is determined by two major parameters: 

(1) the amount and distribution of yolk protein within the cytoplasm, which determine where cleavage can occur and the relative sizes of the blastomeres

(2) factors in the egg cytoplasm that influence the angle of the mitotic spindle and the timing of its formation

Which of the following statements is incorrect about patterning of embryonic cleavage?

TLS Online TPP Program

#Question id: 28326

#Unit 5. Developmental Biology

Infolding of a sheet of epithelium cells which are mainly seen in the sea urchin endoderm ?

TLS Online TPP Program

#Question id: 28327

#Unit 5. Developmental Biology

During the formation of Amphibian mesoderm, Inward movement of an expanding outer layer so that it spreads over the internal surface of the remaining external cells, this process of movement of outer layer is called as____

TLS Online TPP Program

#Question id: 28328

#Unit 5. Developmental Biology

Ingression process involved migration of individual cells from the surface into the embryo's interior, this process is found in_____

TLS Online TPP Program

#Question id: 28329

#Unit 5. Developmental Biology

Hypoblast formation in birds and mammals is done by a process which involving the splitting of cellular sheet into two more or less parallel sheets, this process is known as___