ECAT Biology MCQS Ecosystem Online Test

a-localized-group-of-individuals-belonging-to-the-same-species-is-called-as-3-a_-_population,all-the-food-chains-and-food-webs-begin-with-3-a_-_producers,all-the-food-chains-begin-with-3-a_-_producers,an-association-between-two-organisms-by-which-both-are-benefited-is-called-3-a_-_mutualism,biome-is-a-3-a_-_regional-community,diseases-in-living-organisms-caused-by-parasites-are-called-3-a_-_infestation,in-1917-2-c-term-niche-was-first-proposed-by-american-ornithologist-named-3-a_-_joseph-grinnell,in-each-case-succession-is-initiated-by-a-few-hardy-invaders-called-3-a_-_pioneers,lithosphere-includes-3-a_-_earth-soii,moderate-grazing-is-very-helpful-to-maintain-ecosystem-3-a_-_grass-land,one-of-the-following-is-an-example-of-predator-e-2-80-94-prey-relationship-3-a_-_fox-and-rabbit,soil-erosion-2-c-fire-and-water-percolation-down-through-the-soil-cause-loss-of-3-a_-_nitrates,study-of-single-population-27-s-relationship-to-its-environment-is-called-3-a_-_autecology,study-of-single-population-environment-is-called-3-a_-_autecology,symbiotic-association-of-an-alga-living-within-fungus-mycelium-is-known-as-3-a_-_lichen,the-abiotic-component-of-an-ecosystem-is-3-a_-_temperature,the-bacteria-in-the-root-nodules-fix-nitrogen-and-convert-it-into-3-a_-_amino-acid,the-process-in-which-micro-organisms-use-the-proteins-and-amino-acids-and-release-ammonia-or-ammonium-ions-is-known-as-3-a_-_denitrification,the-stage-in-which-lichens-are-just-like-crumpled-leaves-attached-to-one-point-3-a_-_foliage-lichen-stage,when-bacteria-in-soil-oxidize-ammonia-or-ammonium-ion-is-called-3-a_-_nitrification,who-proposed-the-term-niche-in-ecology-3-a_-_grinnell