A population of Simploids has 400 individuals. After 20 years, this population has had 250 births and 170 deaths, so the population has grown to 480 individuals. What is the approximate yearly growth rate, r, of this population?

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a

explanation:

many plants naturally reproduce this way, but it can also be induced artificially. horticulturalists have developed asexual propagation techniques that use vegetative plant parts to replicate plants. success rates and difficulty of propagation vary greatly. monocotyledons typically lack a vascular cambium and therefore are harder to propagate.