The organism was found to have two lungs, but the left lung was much smaller than the right lung. Kelly added that the herpetology instructor had said that in most snakes, the same condition exists
If the size difference between the lungs in this organism is not a shared ancestral characteristic with its occurrence in snakes, then its existence in this organism is explained as which of the following? 1. a result of convergent evolution 2. an example of homologous structures 3. a similar adaptation to a shared lifestyle or body plan 4. a result of having identical Hox genes A) 1 only
B) 1 and 3
C) 2 and 3
D) 3 and 4
B
You might also like to view...
The spinal cord is enclosed by the vertebral column and layers of protective membranes. What are these membranes called?
A. neural net B. white matter C. dorsal root D. meninges E. viscera
Which group includes the highest proportion of critically endangered, endangered, and vulnerable species?
a. cone snails b. conifers c. freshwater shrimps d. reef-forming corals e. cycads
________ allows mother pinnipeds to adjust the time of pregnancy of less than 1 year to an annual time frame
a. A gestation period b. Polygny c. Seasonal delayed implantation d. Lactation
The effect of resource availability on
population size determines a. the carrying capacity of the environment. b. exponential growth. c. the doubling time of a population. d. the population's biotic potential. e. all of these