Topic 2: Ecology (part 2)
14 review questions with answers for Topic 2: Ecology (part 2), marked SL. Read them here, or play the set as a class game on the projector. Free to host, and students join with a code.
Method of estimating abundance of non-mobile organisms by counting within a defined sample area?
- Quadrat samplingRight answer
- Food chain
- Photosynthesis
- Food web
All 14 questions and answers
Method of estimating abundance of non-mobile organisms by counting within a defined sample area?
Answer: Quadrat sampling
Law stating energy can be transformed but not created or destroyed?
Answer: First law of thermodynamics
Law stating energy transformations are never 100% efficient; some is always lost as heat?
Answer: Second law of thermodynamics
Conversion of light energy into chemical energy (glucose) by autotrophs?
Answer: Photosynthesis
Release of energy from organic molecules; some is lost as heat?
Answer: Cellular respiration
Organisms that produce their own food using photosynthesis; occupy first trophic level?
Answer: Producers (autotrophs)
Organisms that obtain energy from other organisms?
Answer: Consumers (heterotrophs)
Total gain in biomass by an organism or trophic level before respiration losses?
Answer: Gross productivity (GP)
Biomass remaining after respiratory losses; the amount available to the next trophic level?
Answer: Net productivity (NP)
Increasing concentration of a non-biodegradable pollutant in an organism over time?
Answer: Bioaccumulation
Increasing concentration of a non-biodegradable pollutant along successive trophic levels?
Answer: Biomagnification
A diagram showing linear feeding relationships and direction of energy flow between trophic levels?
Answer: Food chain
A complex diagram showing multiple overlapping feeding relationships in a community?
Answer: Food web
Diagrams showing relative numbers, biomass or energy at each trophic level?
Answer: Ecological pyramids
Play it as a class game
Play this set opens it in splycr, where you can host it for your class straight away. Hosting needs no account: put the room code on the projector, and students join from a phone with the code and their first name. Each question plays as multiple choice, and the three wrong options are other answers from the same set.