Tropical savannas typically lack trees or shrubs
Indicate whether the statement is true or false
FALSE
You might also like to view...
The complement system serves to:
a. increase blood flow to the area of infec-tion and can also effectively wall off the infection through the production of barrier substances. b. attract and enhance the activities of pha-gocytes. c. provide substances secreted by one type of cell, which have substantial effects on the antiinfective activities of other cells. d. ingest and destroy microorganisms.
Farmers spray seedless grapes with ________ to increase the size of the fruit
a. gibberellin b. auxins c. 1-methylcyclopropene (MCP) d. ethylene
The fact that the earth does not go up in flames
in spite of the richness of oxygen in our environment is related to which of the following concepts?
a. the activation energy needed to break bonds. b. the fact that reactants always have less energy than products. c. the first law of thermodynmics. d. the second law of thermodynamics. e. the abundance of water in our atmosphere which inhibits combustion
Birds and crocodiles share which of the following characteristics?
a. ectothermy b. body hair c. four-chambered heart d. lung design e. light-weight bones