A respiratory system is needed if an organism is too ____ to rely on the diffusion of gases through the body's tissues
a. small
b. long
c. thick
d. thin
e. round
c
You might also like to view...
Explain the circumstances that led to a debate about whether all inheritance cases could be explained by Mendelian inheritance or whether there might be another, separate mechanism of inheritance that did not follow the laws of segregation and independent assortment. Summarize the outcome of that debate
What will be an ideal response?
Four of the five statements listed below apply to the types of ecological pyramids. Which one is FALSE?
a. A pyramid of numbers has the greatest number of organisms at the top. b. A pyramid of energy shows that energy increases as one goes toward the apex of the pyramid. c. A pyramid of biomass cannot be inverted. d. The base of all ecological pyramids is equal in size to the top. e. The pyramid of biomass show actual biomass reduction from one trophic level to the next.
Which of the following molecules transfers information from the nucleus to the cytoplasm?
A) mRNA B) Lipids C) DNA D) tRNA E) Proteins
A lung specimen from a pneumonia patient contains Gram-negative bacilli. Laboratory test results on the bacteria show they are nonmotile coliforms with a thick capsule. Which pathogen is the likely cause of the pneumonia?
A) Escherichia coli B) Enterobacter C) Hafnia D) Klebsiella E) Serratia