Podcast
Questions and Answers
Producers are organisms that make their own food through photosynthesis or chemosynthesis
Producers are organisms that make their own food through photosynthesis or chemosynthesis
True (A)
An omnivore eats both plants and animals
An omnivore eats both plants and animals
True (A)
Saprophytes are bacteria and fungi that feed on living organic matter
Saprophytes are bacteria and fungi that feed on living organic matter
False (B)
Primary consumers feed on producers
Primary consumers feed on producers
Energy flows from one organism to the next by means of a food web
Energy flows from one organism to the next by means of a food web
Herbivores eat meat only
Herbivores eat meat only
Carnivores eat plants only
Carnivores eat plants only
Decomposers feed on dead organic matter
Decomposers feed on dead organic matter
Food chains are rarely more than five steps long because only 10% of the energy is transferred from one link to the next
Food chains are rarely more than five steps long because only 10% of the energy is transferred from one link to the next
Secondary consumers feed on primary consumers
Secondary consumers feed on primary consumers
An organism's trophic level is determined by its position in a food chain.
An organism's trophic level is determined by its position in a food chain.
A food web is composed of multiple interconnected food chains.
A food web is composed of multiple interconnected food chains.
Pyramids of numbers are limited because the size of organisms can change the standard shape.
Pyramids of numbers are limited because the size of organisms can change the standard shape.
A niche includes factors such as an organism's habitat and diet.
A niche includes factors such as an organism's habitat and diet.
Two species can occupy the same niche for an extended period without competition.
Two species can occupy the same niche for an extended period without competition.
The blackcurrant moth caterpillar is interdependent on the blackcurrant plant.
The blackcurrant moth caterpillar is interdependent on the blackcurrant plant.
Primary consumers are found at the second trophic level.
Primary consumers are found at the second trophic level.
A pyramid of numbers shows the biomass of organisms at each trophic level.
A pyramid of numbers shows the biomass of organisms at each trophic level.
Tertiary consumers eat the herbivores in the second trophic level.
Tertiary consumers eat the herbivores in the second trophic level.
A pyramid of numbers is not affected by the size of organisms.
A pyramid of numbers is not affected by the size of organisms.
