History Exam #2

20 other terms

Burgess Shale

Canadian site with fossils dating back 500 MYA.

Enamel Hypoplasia

Tooth enamel defect from periods of starvation.

Melanin

Pigment affecting skin color and vitamin production.

Sahul

Landmass of Australia and Papua New Guinea.

Piloerection

Hair standing up in response to fear.

Schöningen Spears

Earliest known hunting tools from Neanderthals.

Primate

Diverse group including humans, monkeys, and apes.

Natufian Culture

Sedentary hunter-gatherers from 15,000 to 11,000 BCE.

Sunghir Burials

Elaborate child burials dating 34,000 years ago.

Microbial Mat

Fossilized sheets of microorganisms from 3.5 billion years ago.

Spinolestes

Tiny nocturnal mammals from the therapsid lineage.

Grypania

First known sexual bacteria, dating 2 billion years ago.

Gossip

Unverified casual conversation about others.

Paleomagnetism

Study of ancient Earth's magnetic field in rocks.

Cueva des-Cubierta

Cave with possible Neanderthal ritual significance.

Mesosaurus

Small aquatic reptile, 3 feet long, lived 280 million years ago.

Charles Darwin

Proposed evolution through natural selection in 1859.

Iridium

Rare element linked to asteroid impact theories.

Plesiadapis

First primate fossil, adapted for climbing trees.

Mitochondrial Eve

Hypothetical common matrilineal ancestor of all humans.