Exam 4

Question 1

population dynamics and factors

Answer 1

variation in population over time
factors: disease, climate change, resources, etc

Question 2

rescue effect

Answer 2

immigrating populations from another patch come to a declining area and save patch from extinction

Question 3

intraspecific vs interspecific competition

Answer 3

intra- comp among same species
inter- comp among different species

Question 4

leibigs law of minimum

Answer 4

a pop increases until supply of most limiting resource prevents it from increasing further

Question 5

competitive exclusion principle

Answer 5

2 species cannot coexist indefinitely when they have the same limiting resource

Question 6

3 types of competition

Answer 6

exploitative individuals consume resources and others cannot persist INDIRECT
interference - competitors defend resources but don’t consume yet DIRECT
allelopathy - plants use chemicals to harm competition