Why are ferns not well adapted to desert areas?
What will be an ideal response?
Ferns have limited vascular elements and are not very effective at transporting water. Most ferns lack a heavy cuticle to prevent drying under low humidity. Ferns require liquid water to transport the sperm.
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Rostow's model of economic development
A) is equally applicable to the countries of today as it was to Western countries in the 19th century. B) claims that all countries can reach high GDP per capita if they follow the right path. C) is accepted as valid by most geographers. D) takes into account the interdependence of countries. E) is accepted as valid by most geographers and takes into account the interdependence of countries.
After a long period of gradual evolution of protein domains, a period of explosive change (the “big bang”) in protein
domain complexity occurred at roughly the same time as the 3 taxonomic domains were undergoing rapid diversification. In which taxonomic domain was this diversification most extensive?
a. Eukarya b. Protista c. Archaea
d. Animalia e. Bacteria
Which plant is consumed by more people worldwide than any other crop?
a. wheat
b. corn
c. rice
d. potatoes
e. legumes
A shortage of cholesterol in the body could interfere with the formation of:
A) all of the choices are correct B) estrogen C) cell membranes D) testosterone E) progesterone