B14 - Genetics And Evolution

Question 1

Darwin’s Theory of Evolution by __________ Selection is widely accepted as the Best Explanation of the Living World.

Answer 1

Natural.

Question 2

Fossils are the Remains of ______________ from Millions of Years Ago.

Answer 2

Organisms.

Question 3

Where are Fossils found.

Answer 3

Rocks and Ice.

Question 4

A Fossil can be formed when an Animal or Plant doesn’t _______ after it Dies, this could be due to little __________.

Answer 4

Decay…Oxygen…

Question 5

Many Fossils are formed when Harder parts of the Animal or Plant are replaced by ___________ as they _______ and become part of the Rock.

Answer 5

Minerals…Decay…

Question 6

Many Early Life-Forms were Soft-Bodied ____________.

Answer 6

Organisms.

Question 7

Most Organisms that Died did not become _____________.

Answer 7

Fossilised.

Question 8

How is a Fossil formed (4 Steps)?

Answer 8

• The Reptile Dies.
• The Flesh Rots.
• Over Millions of Years, the Skeleton becomes Mineralised and turns to Rock.
• The Fossil Emerges as Rocks move.

Question 9

Throughout the History of Life on Earth, Scientists estimate that about __ Billion different __________ have Existed.

Answer 9

4…Species…

Question 10

Extinction is the Permanent _____ of all the Members of the ___________.

Answer 10

Loss…Species…

Question 11

As Conditions Change, New Species _________ that are better suited to _________ the New Conditions.

Answer 11

Evolve…Survive…

Question 12

How is Extinction caused?

Answer 12

• New Predators/Diseases.
• Change in Temperature.
• Catastrophic Events.

Question 13

New Predators can wipe out unsuspecting _____ Animals very Quickly if the Prey Animals don’t have _______________ to avoid them.

Answer 13

Prey…Adaptations…

Question 14

New Diseases can bring a Species to the point of _____________.

Answer 14

Extinction.

Question 15

One Species can cause another to become Extinct by Successful _______________.

Answer 15

Competition.

Question 16

The Biggest Influences on Survival are the Changes in the _______________.

Answer 16

Environment.

Question 17

An Example of Geological Time.

Answer 17

The Ice Age.

Question 18

Changes to the __________ or Environment have been the Main Cause of Extinction through History.

Answer 18

Climate.

Question 19

What is a Cause of a Mass Extinction?

Answer 19

A Single Catastrophic Event.

Question 20

Scientists agreed that around ___ Million Years Ago, an Asteroid Collision wiped out the Dinosaurs.

Answer 20

65.

Question 21

Some Bacteria develop ______________ to Antibodies.

Answer 21

Resistance.

Question 22

What is a Natural Mutation?

Answer 22

Change in Genetic Material.

Question 23

Natural Mutations happen by Chance and Produce New Strains of ___________ by Natural ____________.

Answer 23

Bacteria…Selection…

Question 24

Bacteria can __________ Rapidly because they _____________ at a Fast Rate.

Answer 24

Evolve…Reproduce…

Question 25

Individual Resistant Bacteria Survive and _______________, so the Population of Resistant Bacteria _____________.

Answer 25

Reproduce...Increases...

Question 26

Antibiotics are no longer Reactive against _____________ Resistant Bacteria.

Answer 26

Individual.

Question 27

More Types of ____________ are becoming Resistant to more Antibiotics, so Bacterial _____________ are becoming more Difficult to Treat.

Answer 27

Bacteria...Diseases...

Question 28

Three Ways of Preventing Resistant Strains of Bacteria appearing:

Answer 28

- Overusing Antibiotics. - Finishing your course of Medicine if you are required the Antibiotic. - Restricting the Agricultural use of Antibiotics.

Question 29

Hospitals use a lot of Antibiotics to Treat ____________.

Answer 29

Infections.

Question 30

Some Bacteria in Hospitals are Resistant to many ______________.

Answer 30

Antibiotics.

Question 31

______ is Resistant to Antibiotics.

Answer 31

MRSA.

Question 32

______________ should only be used when they are needed.

Answer 32

Antibiotics.

Question 33

Specific Bacteria should be Treated with Specific ______________.

Answer 33

Antibiotics.

Question 34

Hospitals should have High Standards of ____________.

Answer 34

Hygiene.

Question 35

Scientists are Constantly looking for New _____________.

Answer 35

Antibiotics.

Question 36

It is Difficult to find Chemicals that Kill ___________ without damaging Human ______.

Answer 36

Bacteria...Cells...

Question 37

Penicillin and other Antibiotics are made from ____________________.

Answer 37

Microorganisms.

Question 38

The Development of New Antibiotics is _______________ and is unlikely to keep up with the Emergence of New Resistant ________.

Answer 38

Expensive...Strains...

Question 39

Classification is the ________________ of Living Things into Groups according to their Similarities.

Answer 39

Organisation.

Question 40

Biologists Classify ______________ to make it easier to Study them.

Answer 40

Organisms.

Question 41

Classification begin in the 18th Century with Carl ___________, a Swedish Botanist (Plant Biologist).

Answer 41

Linnaeus.

Question 42

Carl Linnaeus Grouped Organisms together depending on their ____________ and Characteristics.

Answer 42

Structure.

Question 43

What is the Linnaean System also known as?

Answer 43

The Natural Classification System.

Question 44

Linnaeus Classified Organisms into the following Groups: | ___________, Phylum, Class, _______, Family, Genus, and _________.

Answer 44

Kingdom...Order...Species...

Question 45

What the Scientific Name for Human Beings?

Answer 45

Homo Sapiens.