Apentix/AP Environmental Science/Unit 3: Populations/Question

AP Environmental Sciencehardmcq1 pt

A population's survivorship curve shifts from Type III toward Type I. The most likely cause is

A.improved juvenile survival from better parental care or medicine

B.increased juvenile mortality

C.more offspring per parent

D.shorter lifespans

Explanation

Core Concept

More young surviving to adulthood flattens the early drop, pulling the curve toward Type I — the human historical pattern.

Correct Answer

Aimproved juvenile survival from better parental care or medicine

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