True or false: ecosystems
Exercise and reference answers
- Questions
- Statement is true
- Yes
- Statement
- A trophic level is a step in a food chain.
- Statement is true
- No
- Statement
- Secondary consumers eat primary producers directly.
- Statement is true
- Yes
- Statement
- Net productivity subtracts the producers' own use.
- Statement is true
- No
- Statement
- Detrital food webs start with photosynthesis.
- Statement is true
- Yes
- Statement
- Carbon is the second most abundant element in life.
- Instructions
- Tap True or False for each statement.
Explanation
_Source: OpenStax Biology 2e (CC BY 4.0), Ch 46 'Ecosystems', sections 46.1-46.3_