Scientists counted all the different types of trees in osborne forest in 1950 and then again in 2000. the scientists saw that osborne forest did not change very much during the 50 years. what did change in osborne forest? a. birch trees accounted for 40% less of the forest's trees in 2000. b. birch trees accounted for 40% more of the forest's trees in 2000. c. beech trees accounted for 30% less of the forest's trees in 2000. d. beech trees accounted for 30% more of the forest's trees in 2000.
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The two tubes contain bromothymol blue. after 24 hours, what will the color of the water be in tube b? a. green (it won't change) b. yellow c. blue d. colorless (clear)
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The cretaceous period spanned the time interval between and 65 million years ago. 250 million 144 million 75 million 200 million
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Match the following terms and definitions. 1. species that are adapted to live in equilibrium at carrying capacity population density 2. population growth that reaches equilibrium and carrying capacity population 3. death rate mortality 4. birth rate k-selected 5. a group of interacting individuals of the same species within the same geographic area natality 6. the number of organisms living in a particular area logistic growth
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Scientists counted all the different types of trees in osborne forest in 1950 and then again in 2000...
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