At present the human population is
A. in the death phase
B. growing rapidly
C. stable
D. in the lag phase
B. growing rapidly
You might also like to view...
Gram-stain morphologic features, motility, and flagellar placement are important identifying characteristics of:
a. Chryseobacterium. b. Flavobacterium. c. Pseudomonas. d. Bordetella.
Mendel crossed true-breeding plants having yellow peas with plants having green peas. The resulting
plants all had yellow peas. An F1 cross resulted in of the plants having yellow peas and of the plants having green peas. What does this tell you about the alleles for color?
a. yellow is usually the dominant color, but sometimes green can be dominant b. green is the dominant color c. yellow is the dominant color d. yellow is the recessive color e. the F1 plants must have had some green peas that went unnoticed.
Life originated in the _____
Fill in the blank(s) with correct word
In the Gulf of Mexico dead zone, oxygen levels in lower water levels are low because ____.
a. phytoplankton consume vast quantities of oxygen without producing any oxygen b. the runoff into the dead zone is contaminated with high densities of bacteria that consume oxygen c. of the Great Lakes d. pollutants in runoff, especially fertilizers, lead to phytoplankton growth and the dead phytoplankton are consumed by bacteria that use up oxygen e. the runoff into the dead zone is already extremely low in oxygen and mixes with the water already present in the Gulf of Mexico