Podcast
Questions and Answers
Which type of species has high rates of fecundity, low levels of parental investment in the young, and high rates of mortality before individuals reach maturity?
Which type of species has high rates of fecundity, low levels of parental investment in the young, and high rates of mortality before individuals reach maturity?
- Top-down selected species
- Bottom-up selected species
- K-selected species
- r-selected species (correct)
Which type of species has low rates of fecundity, high levels of parental investment in the young, and low rates of mortality as individuals mature?
Which type of species has low rates of fecundity, high levels of parental investment in the young, and low rates of mortality as individuals mature?
- Bottom-up selected species
- K-selected species (correct)
- r-selected species
- Top-down selected species
What is the term for the control in which organisms in lower trophic levels are controlled by organisms at the top?
What is the term for the control in which organisms in lower trophic levels are controlled by organisms at the top?
- Bottom-up control
- Top-down control (correct)
- Intraspecific competition
- Interspecific competition
What is the term for the control driven by producers in the ecosystem, where changes in plant populations impact the population of all species?
What is the term for the control driven by producers in the ecosystem, where changes in plant populations impact the population of all species?
Do all ecosystems have to be either top-down or bottom-up?
Do all ecosystems have to be either top-down or bottom-up?
Which type of species generally experiences stronger competition and lives near carrying capacity?
Which type of species generally experiences stronger competition and lives near carrying capacity?
What is the term for the control driven by producers in the ecosystem, where changes in plant populations impact the population of all species?
What is the term for the control driven by producers in the ecosystem, where changes in plant populations impact the population of all species?
Which type of species has high rates of fecundity, low levels of parental investment in the young, and high rates of mortality before individuals reach maturity?
Which type of species has high rates of fecundity, low levels of parental investment in the young, and high rates of mortality before individuals reach maturity?
What is the term for the control in which organisms in lower trophic levels are controlled by organisms at the top?
What is the term for the control in which organisms in lower trophic levels are controlled by organisms at the top?
Do all ecosystems have to be either top-down or bottom-up?
Do all ecosystems have to be either top-down or bottom-up?
