Question

question 17 of 25
a population of bacteria is grown in a closed petri dish. the nutrients in the dish are not replenished, and the matter is not recycled when the bacteria die. which statement best describes how a graph of the population would look over time?
a. it would show logistic growth before increasing sharply.
b. it would show logistic growth before declining sharply.
c. it would show exponential growth that continues to climb.
d. it would show exponential growth that drops steadily.
submit

Explanation:

In a closed - system Petri dish with non - replenished nutrients, bacteria first experience logistic growth as they grow until they reach the carrying capacity limited by available nutrients. Once nutrients are depleted, the population declines sharply.

Answer:

B. It would show logistic growth before declining sharply.