The evolution of flowers and sweet-tasting fruits in response to animal pollinators are examples of ____ relationships
Fill in the blank with the appropriate word.
mutualistic
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An organism whose genome has been engineered to include or change a genetically controlled trait is called a ____
a. bacterium b. clone c. transcriptionally modified organism d. genetically modified organism (GMO) e. somatic organism
Lipids
a. yield less energy per gram than do carbohydrates. b. include cartilage and chitin. c. include fats consisting of one fatty-acid molecule and three glycerol molecules. d. are composed of monosaccharides. e. are none of these.
All cephalic organisms:a
have bilateral symmetry. b. have a coelom. c. receive stimuli equally from all directions. d. have bilateral symmetry and a coelom. e. have bilateral symmetry, a coelom, and receive stimuli equally from all directions.
What do tarsiers and giant squids have in common?
a. They are both active during daytime as well as at night. b. They both live in water. c. They are both active during daytime. d. They are both nocturnal.