The most primitive group of animals, lacking tissues and organs, are the:
a. sponges.
b. corals.
c. flatworms.
d. gastropods.
e. sea anemones
Ans: a. sponges.
You might also like to view...
The proteome refers to the collection of open reading frames in a genome.
Answer the following statement true (T) or false (F)
What are the reactants of the Calvin cycle?
a. CO2, H2O, and ATP b. CO2, ADP, and NADP+ c. CO2, ATP, and NADPH d. H2O, ATP, and NADPH e. H2O, ATP, and NADPH
What is the difference between a viral lytic cycle and a viral lysogenic cycle? What will be an ideal response?
Regarding the class experiment on termite orientation behavior, the line for all of the treatment sheets was traced from the same template. Why was using a template important for this experiment?
A. We wanted to know if termites are drawn to this specific line B. It was previously demonstrated that termites respond to this specific line C. It helped ensure that each treatment trial was consistent D. The line was a prediction derived from our hypothesis