Measuring Features of an Ecosystem (Leaving Cert Biology): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
ShowHide
Practise the questions
12 questions from this quiz
What value in Simpson's diversity index represents maximum possible diversity?
What value in Simpson's diversity index represents maximum possible diversity?
1
Which two factors does a species diversity index consider?
Which two factors does a species diversity index consider?
Species richness & relative abundance
Why does Woodland A have higher diversity than B despite same species richness?
Why does Woodland A have higher diversity than B despite same species richness?
More even distribution of individuals
Which condition is required for J-shaped exponential population growth?
Which condition is required for J-shaped exponential population growth?
Abundant resources with no limits
What are the three phases of S-shaped logistic growth?
What are the three phases of S-shaped logistic growth?
Slow, rapid, levelling off
What is carrying capacity?
What is carrying capacity?
Max population size environment sustains
Which is a limiting factor for plant populations?
Which is a limiting factor for plant populations?
Available sunlight for photosynthesis
Which is a limiting factor specifically for animal populations?
Which is a limiting factor specifically for animal populations?
Territory size requirements
Approximately how much energy is lost between each trophic level?
Approximately how much energy is lost between each trophic level?
When do inverted pyramids of numbers occur?
When do inverted pyramids of numbers occur?
When producers are very large
Why can biomass pyramids be inverted in aquatic ecosystems?
Why can biomass pyramids be inverted in aquatic ecosystems?
Producers reproduce extremely rapidly
What is a key limitation of pyramids of numbers?
What is a key limitation of pyramids of numbers?
Doesn't account for size differences