Organisms with backbones are called ____
A) vertebrates
B) invertebrates
C) molluscs
D) foraminifera
A
You might also like to view...
Some drugs, such as taxol and Tamiflu that are currently used with great success to treat cancer and viral infections,
A) are derived from wild plants. B) represent the intrinsic value of wild species. C) are derived from genetically modified cultivars that combine together traits of several plants. D) were discovered as mutations in the development of new cultivars of wheat.
Bioaccumulation is the ________
A) process by which chemicals are stored and concentrated in the tissues of living organisms B) total amount of chemicals stored in the tissues of living organisms C) chemical change that occurs when substances are altered by the sun or metabolized by microorganisms D) increase in a pollutant's concentration as it moves up a food chain
Indian reservations are among the poorest communities in the U.S
a. True b. False Indicate whether the statement is true or false
Where would you expect to find the lowest temperatures in July?
A) Land in the Southern Hemisphere B) Land in the Northern Hemisphere C) Ocean in the Southern Hemisphere D) Ocean in the Northern Hemisphere