unit one

Question 2

classification systems are….

Answer 2

-developed & agreed upon and continuously revised by human scientists
-existing systems are challenged when new evidence becomes available
-scientists from different countries collaborate for better consistency and understanding. Changes in systems require international agreement

Question 3

Realised niche

Answer 3

the actual ecological niche a species inhabits

Question 4

Pyramid of numbers

Answer 4

a representation that shows the number of individual organisms at each trophic level in a given area of an ecosystem

Question 6

detritus

Answer 6

dead organic material which serves as a source of nutrients for detrivores and decomposers

Question 7

telemetry
remote tracking

Answer 7

species get tracked for information about their distribution for conservation planning

Question 8

edge effect

Answer 8

changes in population or community patterns that occur at the boundary between two different ecosystems or habitats
Results from the influence of two contrasting environments on each other, which have a unique set of abiotic conditions and biotic interact
Edge of habitats have higher species diversity
Invasive species, human disturbances higher exposure to predators