Invasion Biology

Question 1

Invasive species

Answer 1

alien (i.e. exotic, non-indigenous) plants that produce reproductive offspring at considerable distances from parent plants

Question 2

Invasive requirements

Answer 2

– transport from native range
– introduction and colonization
– establishment
– spread

Question 3

Lag phase

Answer 3

period before established species starts to spread

Question 4

Diversity resistance hypothesis

Answer 4

Communities containing more species have less unused niche space, reducing empty niches and preventing invasions

Question 5

Enemy release hypothesis

Answer 5

Hypothesis that alien species perform better outside of native range due to absence (reduction) of natural enemies