Unit 1 Topic 1-2

Question 1

Behavioural adaptation

Answer 1

an inherited characteristic behaviour that helps an organism survive in its environment

Question 2

Biodiversity

Answer 2

the number and variety of species

Question 3

Broad niche

Answer 3

A niche that includes many things

Question 4

Commensalism

Answer 4

When one benefits and one isn’t affected

Question 5

Competition

Answer 5

the struggle among individual organisms for access to a limited resource

Question 6

Diversity index

Answer 6

a measure of the biological diversity in an area

Question 7

Environment

Answer 7

the area or conditions in which an organism lives

Question 8

Generalists

Answer 8

an organism with generalized requirements and adaptations that allow it to survive in variable conditions

Question 9

Mutualism

Answer 9

When both organisms benefit

Question 10

Narrow niche

Answer 10

A niche that includes few things

Question 11

Niche

Answer 11

What an organism does and where it lives

Question 12

Parasitism

Answer 12

When one benefits and one loses

Question 13

Specialists

Answer 13

an organism that is adapted to very specific environments

Question 14

Specialization

Answer 14

adaptations for surviving in very specific environments

Question 15

Speciation

Answer 15

the evolution of different species from a single ancestor

Question 16

Species

Answer 16

a group of organisms that share similar genetic and physical characteristics; generally these organisms can interbreed and
produce fertile offspring

Question 17

Structural adaptation

Answer 17

an inherited physical characteristic that helps an organism survive in its environment

Question 18

Symbiotic relationship

Answer 18

an interaction between organisms of different species