Plants which survive seasonal climatic fluctuations from year to year are ________
A) succulents
B) xerophytes
C) perennials
D) annuals
E) epiphytes
Answer: C
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What is deformation, and what causes it? What is deformation, and what causes it?
The niche of a species is the functional role of that species in the community that it belongs to. Species that have narrow niches (have very specific resource requirements) are said to be ________, while species that have broad niches (able to use a wide array of resources) are known as ________.
Fill in the blank(s) with the appropriate word(s).
In a cyclone, ____
a. upper air flow converges b. winds spiral clockwise in the Northern Hemisphere c. winds diverge at the surface d. pressure decreases toward the center e. pressure increases toward the center in the Southern Hemisphere
Soil air supplies plants and microorganisms with what gases that are needed for life processes?
a. nitrogen and helium b. oxygen and methane c. carbon dioxide and oxygen d. nitrogen and carbon dioxide