biology 2 chapter 6.1

?
HOW OLD IS THE EARTH
4.5 BILLION YEARS
1 of 7
WHEN DO WE THINK LIFE ON EARTH BEGAN
3.5 BILLION YEARS
2 of 7
HOW ARE FOSSILS DATED
ITS POSSIBLE TO DATE ROCKS SO THEREFORE POSSIBLE TO DATE FOSSILS
3 of 7
WHY ARE THERE NO FOSSILS OF EARLY LIFE FORMS
EARLY LIFE FORMS HAD SOFT BODIES
4 of 7
HOW MIGHT A COMPETITOR CAUSE THE EXTINCTION OF A SPECIES
THE ORIGINAL SPECIES MAY BE LEFT WITH TOO LITTLE TO EAT
5 of 7
SUGGEST 2 WAYS THAT PEOPLE CAN CAUSE THE EXTINCTION OF SOME SPECIES
HUNTING THEM FOR FOOD, POLLUTING THE ENVIRONMENT
6 of 7
WHAT ARE THE 2 MAIN IDEAS PUT FORWARD FOR THE EXTINCTION OF DINOSAURS
A GIANT ASTEROID COLLIDING WITH EARTH, DUE TO THE SEA AND ICE CAPS MELTING
7 of 7

Other cards in this set

Card 2

Front

WHEN DO WE THINK LIFE ON EARTH BEGAN

Back

3.5 BILLION YEARS

Card 3

Front

HOW ARE FOSSILS DATED

Back

Preview of the front of card 3

Card 4

Front

WHY ARE THERE NO FOSSILS OF EARLY LIFE FORMS

Back

Preview of the front of card 4

Card 5

Front

HOW MIGHT A COMPETITOR CAUSE THE EXTINCTION OF A SPECIES

Back

Preview of the front of card 5
View more cards

Comments

No comments have yet been made

Similar Biology resources:

See all Biology resources »See all Medicine and drugs resources »