Plants lacking xylem and phloem are known as _________.
A. vascular plants
B. nonvascular plants
C. semi-vascular plants
D. gametophytes
E. ferns
Answer: B
You might also like to view...
While phenotypically male, smaller testes, enlarged breasts, and reduced body hair are all signs of a non-disjunction error condition that results in an XXY genotype. Which kind of error results in XXY genotype, called Klinefelter syndrome?
a. point mutation b. deletion c. non-disjunction d. crossing over
Muscles often function in pairs, with the action of one muscle ____________________ the action of the other
Fill in the blank(s) with correct word
Which of the following factors would make the strongest contribution to global climate change?
A. over-harvesting of wild species for consumptive value B. large-scale deforestation C. an increase in soil erosion leading to siltation of rivers and estuaries D. disruption of the waste recycling by decomposers E. drainage of wetlands producing a disruption of water purification
The average human body at rest burns about ________ Calories per hour
A) 500 B) 5,000 C) 70 D) 1,000 E) 1