________ is the consuming of one organism by another.
Fill in the blank(s) with the appropriate word(s).
Predation
Predation is the consuming of one organism by another.
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If a forested area surrounding a stream is cleared of trees, what has been found to happen to the stream?
A. export of nutrients from the soil B. greater rates of soil and rock weathering C. increased run-off of water from the soil to the stream D. greater rates of chemical leaching from the soil to the water E. All of the choices are correct.
Matching. Choose the one most appropriate answer
for each. Some letters may not be used. 1. ___ abscisic acid 2. ___ annual 3. ___ biennial 4. ___ coleoptile 5. ___ ethylene 6. ___ salicylic acid 7. ___ gibberellin 8. ___ auxin 9. ___ phytochrome 10. ___ circadian 11. ___ short-day plant 12. ___ target cell 13. ___ long-day plant 14. ___ Pfr 15. ___ vernalization A. flower each successive year or after several years of vegetative growth B. promotes cell elongation in stems C. has receptor sites for a particular hormonal message D. a hollow, cylindrical organ that protects young leaves growing within it E. blue-green pigment that absorbs light energy F. low-temperature stimulation of flowering G. stimulates stomata closure and might be involved in root geotropism H. stimulates fruit ripening I. reproduces in spring J. produces only roots, stems, and leaves the first growing season and produces flowers the second year K. occurring on a 24-hour cycle L. flowers in autumn M. a nonhormonal plant growth regulator N. lives for only one growing season O. promotes stem elongation in plants P. pigment involved in flowering process
Terminally differentiated cells such as neurons are in the phase of the cell cycle known as ________
Fill in the blank with correct word.
The term used to describe bacteria that are rod-shaped is ________.
A. coccus B. bacillus C. vibrio D. coccobacillus