Evolutionary significance of pteridophytes
Specify the evolutionary significance of the pteridophytes?
Expert
As the tracheophytes, pteridophytes were also the first plants to extensively colonize the terrestrial environment forming the forests. They also constituted a vital source of the food for the terrestrial animals. By having the conductive vessels they may be larger, an attribute which is inherited from them through the phanerogamic plants.
Give a brief description of the term ancylostomiasis?
State relation between fecundation and end of the meiotic process during the oogenesis?
Give some representatives of the phylum Mollusca? Answer: Octopuses, Snails, squids and oysters are some illustrations of molluscs.
How many main groups of cells are comprised in acquired immunity?
Write down the relationship between environmental resistance and population growth according to the biotic potential curve and the real population growth curve?
Specify the stage of cardiac cycle during which the ventricles are generally filled?
Specify the two main groups into which the flowering plants get divided?
Briefly, explain regarding the foreignness of a molecule, that makes a substance antigenic?
Describe briefly the term speciation?
Explain the mechanism of the apical dominance within the plants? How can it be artificially removed?
18,76,764
1942347 Asked
3,689
Active Tutors
1447115
Questions Answered
Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!