1.

In a pond there were 20 Hydrilla plants. Through reproduction 10 new Hydrilla plants were added in a year. Calculate the birth rate of the population.

Answer» Hydrilla Plants in Pond = 20
New Plants by reproduction= 10
Total Plants= 30
The Birth rate of Population = `("No. of individuals born")/("Total No. of individual")=10/20`
= 0.5 Plants Per year


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