Forests containing ____ trees once stretched unbroken across eastern North America, Europe and eastern Asia before
farmers cleared the land.
a. white spruce and balsam fir
b. sages
c. epiphytes
d. teak
e. ash, beech, birch, elm, and oak
ANSWER: e
You might also like to view...
_______ describes a chromosome that has a centrally-placed centromere. Fill in the blank(s) with the appropriate word(s)
Ultraviolet light causes pyrimidine dimers to form in DNA. Some individuals are genetically incapable of repairing some dimers at "normal" rates. Such individuals are likely to suffer from ________
A) SCID B) xeroderma pigmentosum C) Huntington Disease D) phenylketonuria E) muscular dystrophy
Human cells are most radiosensitive during the _____ phase of the cell cycle.
a) gap2 b) gap1 c) mitosis d) synthesis
Sometimes premature babies suffer from respiratory distress syndrome. What substance would you administer in a breathing tube to the infant?
A) antibiotics B) surfactant C) anti-inflammatory drugs D) hydrocortisone