The digestive system of an earthworm is more advanced than that of a flatworm
Indicate whether the statement is true or false.
ANSWER: True
You might also like to view...
Biological nitrogen fixation is carried out ________.
A. only by a limited number of prokaryotes B. only in totally anaerobic environments C. only by prokaryotes in symbiotic relationships with plants D. by prokaryotes and some protists
Cells removed from callus that can grow into plantlets illustrates that differentiated cells can be
returned to a totipotent state.
Indicate whether the statement is true or false.Which of the following is characteristic of prokaryotic genomes but not eukaryotic genomes?
A) histones B) circular chromosomes C) linear chromosomes D) enclosed in a nuclear membrane E) typically consist of a few to several chromosomes
A characteristic of phospholipids that makes them a candidate for the first organic compounds on Earth to be related to life is their ability to ________.
A. form liposomes B. self-assemble into simple membranes C. transduce signals D. mix freely with water