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Evolution Hmh

Authored by Charles Martinez

Science

7th Grade

NGSS covered

Evolution Hmh
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26 questions

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1.

MULTIPLE SELECT QUESTION

1 min • 1 pt

What is needed for a fossil to form? Choose 2.

The organism must first get stuck in rock.

The soft tissue of the dead organism must be eaten by scavengers before the bones can be preserved.

The tracks or burrows of an organism must be filled with sediments before they are disturbed.

The organism's body must be covered by sediment or another substance before its body decays.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Scientists used radiometric dating which measured how much _______________ in the rock had changed to _____________.

potassium/argon

salt/pepper

blood/tissue

sediment/rock

Tags

NGSS.HS-ESS1-6

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The earliest organisms were about _____________ years old.

500 million

centuries

3.8 billion

1 bazillion

Tags

NGSS.MS-LS4-1

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The earliest organisms were __________ cells.

complicated

pretty

ugly

single

Tags

NGSS.MS-LS1-1

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The evidence of the earliest organisms was not fossils, but ________________________.

pictures of fossils

traces of carbon

cells

protein

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Many new types of organisms appeared during the ____________ period.

old

Cambrian

Triassic

Jurassic

Tags

NGSS.MS-LS4-1

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The Cambrian explosion happened because of ____________.

increased oxygen levels in the air from a particular bacteria

there was too much dynamite

mass extinction

changes in identifying fossils

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