What is capillary action of water and how does it occur?
What will be an ideal response?
When water rises into narrow spaces, it does so through capillary action. Water is attracted to electrically charged molecules lining the narrow spaces.
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If two organisms of different species share more similar DNA sequences with each other than with other species, we can conclude that ________.
A. these two species are very closely related B. there is no relationship between similar DNA and how closely related organisms are C. these two species happen to share similar DNA by chance D. these two species are not closely related
Energy stored in the bonds between atoms, such as Carbon and Hydrogen, is defined as __________
A. kinetic energy B. heat energy C. chemical energy, a type of potential energy D. chemical energy, a type of kinetic energy E. radioactive energy
Diane Dodd's experiments using fruit flies demonstrated that
A) the evolution of reproductive barriers occurs much too slowly to produce measurable effects in the laboratory. B) new species can form in a single generation by the production of new reproductive structures. C) formation of a reproductive barrier between two populations is more likely if they experience and adapt to different environmental conditions. D) reproductive barriers usually are absolute: Either two populations are fully willing and able to interbreed, or they are strictly separated by a fully effective reproductive barrier.
In which of the following groups of Vertebrates do you find Sea Horses?"
a) Class Chondrichthyes b) Class Actinopterygii c) Class Sarcopterygii d) Class Myxini e) Class Reptilia