2A/An ____________ is the interaction between living and non-living factors.aEnvironmentbEcosystemcHabitatdPopulationShow answer
3Bacteria, Fungi, and earthworms are ____________.aProducersbDecomposerscCarnivoresdPredatorsShow answer
4All of the following are examples of the predator-prey relationship except ____________.aa cat and a mouseba grasshopper and grasscan owl and a mouseda tiger and a deerShow answer
5A food chain always starts with plants because they ____________.aare givenbare eaten by animalsccan prepare their own fooddare eaten by humansShow answer