Rhizoids differ from roots in that rhizoids __________.
a. do not function in anchoring organisms
b. are only possessed by seed plants
c. are not vascular
d. are not multicellular structures
e. All of the listed responses are correct.
Answer: c. are not vascular
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he route a pathogen uses to get into the human host is called the _____ of _____
Fill in the blank(s) with the appropriate word(s).
Glands that produce secretions just before ejaculation that may function to lubricate or rinse urine from the urethra are called ________
A) prostate B) vas deferens C) bulbourethral D) endometrium
The soil layer surrounding plant roots, called the rhizosphere, has been shown in some cases to _____
A) contain fungi that produce an endotoxin which inhibits the growth rhizomes B) inhibit the growth of fungal pathogens C) produce vitamins essential for the uptake of nitrogen D) contain archaea which produce antibiotics that prevent the growth of most bacteria
Which group has the highest concentration of urea in their body fluids?
A. cartilaginous fishes B. marine bony fishes C. birds D. freshwater bony fishes E. reptiles