Unit 1 - Topic 1

Question 1

Variations

Answer 1

Differences in characteristics of organisms caused by genetic and environmental factors

Question 2

Biological diversity

Answer 2

The number and variety of organisms in an area

Question 3

Species

Answer 3

A group of organisms that share similar genetic and lhysicqk characteristics

Question 4

What can species do together

Answer 4

Generally these organisms can interbreed and produce fertile offspring

Question 5

Speciation

Answer 5

Evolution of different species from a single ancestor

Question 6

Structural adaptation

Answer 6

Inherited physical characteristics that helps an organism survive in its environment

Question 7

Behavioural adaptation

Answer 7

Inherited characteristic that helps an organism survive in its environment

Question 8

Diversity index

Answer 8

Measure of biological diversity in area

Question 9

How diversity index is calculated

Answer 9

By dividing number of runs in walk-through area by total number of specimens

Question 10

Variations found in

Answer 10

All pops or groups of similar living things

Question 11

Portmanteau word

Answer 11

Words merged together
E.g.
biological diversity = biodiversity
Biological magnification = biomagnification

Question 12

Decision to eliminate species

Answer 12

Effects ppl in positive and negative ways

Question 13

Medicines come from

Answer 13

Biological sources

Question 14

Pacific yew tree

Answer 14

Source of Taxol

Cancer-fighting chemical

Question 15

Taxol

Answer 15

Cancer-fighting chemical

Question 16

Pacific yew tree used to be

Answer 16

Burned as trash

Question 17

Studies suggest

Answer 17

When several dif types of plants grow in area, interactions among them promote growth

Question 18

Importance of biological diversity

Answer 18

Important for health and survival of natural communities

Question 19

Organisms grouped together if

Answer 19

Interbreed in nature

Offspring able to breed

Question 20

Similar in appearance

Answer 20

Organisms of same species

Question 21

Always be … within species

Answer 21

Variation

Question 22

Biologists have difficulty

Answer 22

Deciding if 2 groups of organisms belong to same species

Question 23

Can be … of variation within species

Answer 23

Great deal

Question 24

Flora

Answer 24

All of plant life in region

Question 25

Fauna

Answer 25

All of animal life in a region

Question 26

Galapagos Finches

Answer 26

The Galápagos Islands (13)
Equator in Pacific
Great example of speciation
Found by Charles Darwin