What is estimated density of firs in the forest

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Q1. The Dorsal expression is maximum in the ventral part of the embryo and is responsible for directing the differentiation of cells in that region toward ventral fates. Why then is the gene called Dorsal, and not, for instance, Ventral?

Q2. The density of Douglas firs in an old-growth forest is estimated by counting Douglas firs in four sample plots of one hectare each. The number of fir trees in the plots is 10, 12, 7, and 11, respectively. What is estimated density of firs in the forest?

Reference no: EM135446

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