#Question id: 2630
#Unit 2. Cellular Organization
What does graphical representation shown,
#Question id: 7116
#Unit 5. Developmental Biology
Which one statement best describes gastrulation in sea
urchins?
a) Gastrulation is initiated by invagination of the
micromeres at the vegetal pole.
b) The mouth of the pluteus larva will form from
mesomeres on the oral side of the 60-cell embryo.
c) The gut will form from the macromeres at the
16-cell stage.
d) Mesenchymal cells originating at the vegetal pole
will invaginate first during gastrulation and will form skeletal structures in
the pluteus larva.
Which of the following combination is correct?
#Question id: 11557
#Unit 7. System Physiology – Animal
Which of the following has both endocrine and exocrine activity?
#Question id: 19283
#Unit 9. Diversity of Life Forms
#Question id: 3282
#Unit 11. Evolution and Behavior
Natural selection results in different forms of plants which can survive in contaminated or uncontaminated soil. Type of natural selection is