how'd it form??
eww crusty
breath of fresh air
ITS ALIVE!!
leftovers
100

where did the gases for the atmosphere come from?

volcanoes

100
why was early earth so hot?

gravity, radiation, meteor impacts

100

when volcanoes output large amounts of gases

outgassing

100

does not have a nucleus

prokaryote

100

early eukaryotes that plants animals and fungus evolved from

protist

200

where did water originally come from to make our oceans?

meteors

200

this vocab word refers to how denser heavier layers will sink to the bottom and lighter less dense layers will stay at the top

differentiation

200

the sediment structures that cyanobacteria build

stromatolites

200

does have a nucleus

eukaryote

200

the first single celled organisms, like extreme conditions

archea

300

what caused the oceanic crust to form?

cooling of molten earth

300

the oldest and sturdiest part of a continent

craton

300

these minerals require oxygen to exist

iron oxide

300

theory of life that involves rocks

meteors

300

organism engulfed by a larger eukaryote in early times, they formed a symbiotic relationship to become the powerhouse of the cell

mitochondria

400

what caused continental crust to form?

granite created from water entering mantle

400

 earliest continental layers when they are exposed to the surface due to erosion

precambrian shield

400

other than breathing, oxygen is important for this part of the atmosphere

ozone

400

theory of life that involves a spark

primordial soup

400

basic organic molecule needed to build proteins

amino acid

500

what caused oxygen to form in our atmosphere? 

cyanobacteria

500

the ancient continent that would in the future become north America

Laurentia

500

a mountain of rust

red bed

500

theory of life that involves the deep sea and heat

hydrothermal vents

500

what is my last name

Macleod of the clan Macleod of dunvegan castle in the isle of sky in the land of Scotland