TLS Online TPP Program

#Question id: 18224


Proterozoic era characterized by___
a) Origin of life
b) Fossils of blue green algae
c) Most invertebrate evolved
d) First gymnosperm
e) Abundance of marine algae

#SCPH06 I Botany
  1. A and D
  2. B and C
  3. C and E
  4. A, C and E
More Questions
TLS Online TPP Program

#Question id: 8293

#SCPH28 | Zoology

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: 8294

#I Life Science/ Life Sciences Group – I-V

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 ________.

TLS Online TPP Program

#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 ________.

TLS Online TPP Program

#Question id: 8294

#SCPH06 I Botany

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 ________.

TLS Online TPP Program

#Question id: 8294

#SCPH28 | Zoology

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 ________.

TLS Online TPP Program

#Question id: 8295

#I Life Science/ Life Sciences Group – I-V

Imagine that a phylogeny was developed for a group of mammals based on bone structure. Which of the following statements would be a reasonable prediction about a phylogeny for the same group of species based on similarities and differences in the structure of a particular enzyme?