In mosses, the familiar plant we recognize is the _____ generation.
a) sporophyte
b) gametophyte
Ans: b) gametophyte
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Widmanstätten patterns are found in ____________ meteorites
Fill in the blank(s) with correct word
Which of the following is the best definition of desertification?
a. a drought-like condition where rainfall is 20% less than normal for a period of over 2 years b. a conversion of grassland or woodlands to desert-like conditions c. an ecological disaster d. a process where farm animals overgraze prairie lands
A J-shaped growth curve is converted to an S-shaped one ____
a. when the parents are past reproductive age b. if the data is plotted in reverse c. when the carrying capacity is reached d. if reproduction is stopped e. only for fast-growing populations such as bacteria
Gravity-sensing mechanisms of many organisms are based on ____.
A. spicules B. statoliths C. uric acid crystals D. sclereids E. nematocysts