Which of the following traits is not characteristic of earthworms?
a. true coelom
b. closed circulatory system with five hearts
c. clusters of neurons called nephridia that coordinate activities
d. segmentation inside and out
c
You might also like to view...
Can a virus be killed?
A. Yes, destroying its genome kills it. B. No, viruses are capable of self-assembly and cannot be permanently killed. C. Yes, separating the genes from the capsid kills it. D. No, viruses are non-living and cannot die. Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content · What do you already know about viruses as organisms? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
Which of the following organisms has a cell wall?
A. Entamoeba histolytica B. Candida albicans C. Trypanosoma cruzi D. Enterobius vermicularis
The bacterium, E.coli, lives in the large
intestines of mammals and feeds on undigested food material. E.coli helps to synthesize vitamin K that is essential for mammalian blood clotting. The relationship between E.coli and mammals is a
a. commensalism. b. mutualism. c. competition. d. predation. e. parasitism
In meiosis how many divisions occur and how many daughter cells are created?
A. one, four B. two, four C. two, eight D. one, two E. two, two