#Question id: 8294
#SCPH05 I Biotechnology
The common ancestors of birds and mammals were very early (stem) reptiles, which almost certainly possessed three-chambered hearts (two atria, one ventricle). Birds and mammals, however, are alike in having four-chambered hearts (two atria, two ventricles). The fourchambered hearts of birds and mammals are best described as ________.
#Question id: 14828
#I Life Science/ Life Sciences Group – I-V
#Question id: 1567
#SCPH05 I Biotechnology
Which of the following cell types are responsible for initiating a secondary immune response?
#Question id: 3862
#SCPH06 I Botany
The largest gene characterized to date is:
#Question id: 10233
#SCPH06 I Botany
Which of the following statements is the most appropriate define character displacement?