You Are Looking at the Side of a Cliff with Many

question 91

Multiple Choice

You are looking at the side of a cliff with many clearly visible layers of rock.In the top layer,you find the fossil of a mouse.In the next layer down,you find the fossil of a frog.Two layers down from that,you find the fossil of a beetle and,in the deepest layer,the fossil of a millipede.This is evidence that _____________.

• A) mice evolved before frogs
• B) frogs evolved after mice
• C) millipedes were the first among these animals to evolve
• D) the beetle evolved before millipedes

---

Definitions:

ADHD

Attention-Deficit/Hyperactivity Disorder, a neurodevelopmental disorder characterized by levels of inattention, disorganization, and/or hyperactivity-impulsivity that are not appropriate for a person's age.

Depression

A mental health disorder characterized by persistently depressed mood or loss of interest in activities, causing significant impairment in daily life.

Smaller-than-normal Brain Size

A condition where the physical size of the brain is below the average for the individual's age and sex.

Premature Delivery

The birth of a baby before the completion of 37 weeks of pregnancy, potentially leading to health challenges for the newborn.