There Is a Very Late Surviving H

question 45

Multiple Choice

There is a very late surviving H. erectus group in Java that apparently managed to survive there until less than________years ago.

• A) 300,000
• B) 100,000
• C) 1.5 mya
• D) 2.0 mya
• E) 50,000

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Definitions:

Primary Reinforcer

A stimulus that satisfies a basic biological need and inherently reinforces a behavior without the need for learning.

Water

A transparent, tasteless, odorless, and nearly colorless chemical substance that is the main constituent of Earth's streams, lakes, and oceans, and the fluids of most living organisms.

Grades

Evaluations or assessments of a student's performance in educational settings, typically expressed in letters or numbers.

Punishment

An outcome that reduces the chance of a behavior occurring again.