A bird flashing white patches underneath its wings is an example of what type of communication?
A) Sound
B) Chemical
C) Passive visual
D) Physical contact
E) Active visual
E
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Which of the following traits is not characteristic of flatworms?
a. hermaphrodites b. bilaterally symmetrical c. complete digestive tract with mouth and anus d. acoelomate
The organism shown above is using which of
the following types of reproduction? a. asexual budding b. sexual production of eggs c. hermaphroditic co-fertilization d. a combination of all three e. none of these
What process recycles molecules from inorganic areas to living parts of an ecosystem?
A) commensalism B) introducing new species C) nutrient cycling D) competitive exclusion
A(n) (nonpolar/polar/ionic/hydrogen) bond is one in which electrons are shared equally between atoms.
Fill in the blank(s) with the appropriate word(s).