Bio-Pac 07: Vocabulary

Question 1

Plate Tectonics

Answer 1

The geological explanation theory for how the continents move.

Question 2

Spontaneous Generation

Answer 2

A process by which life was thought to be produced from non-living matter.

Question 3

Biogenesis

Answer 3

The idea that living organisms come only from other living organisms.

Question 4

Protocell

Answer 4

A large, ordered structure that carries out some activities associated with life such as growth, division, or metabolism.

Question 5

Archaeobacteria

Answer 5

A group of prokaryotes that live in harsh conditions with little sunlight and oxygen, such as hot sulfur springs or deep-sea vents.

Question 6

Fossil

Answer 6

Any evidence of an organism that lived long ago.

Question 7

Cast

Answer 7

When a mold of an organism is created, it often becomes filled by minerals in the surrounding rock, producing a replica of the original organism.

Question 8

Mold

Answer 8

When an organism is buried, it can decay, leaving an empty space in the rock that is the exact shape of the organism.

Question 9

Imprint

Answer 9

Sometimes fossils form before sediments harden into rock. Thin objects, such as leaves or feathers, fall into sediments such as mud often leave imprints.

Question 10

Paleontologist

Answer 10

Scientists that study ancient life – work with fossils.

Question 11

Geologist

Answer 11

A person who studies rocks and minerals.