[ Vocabulary ]
all the populations that live in an ecosystem together
A. community
B. biotic factors
C. abiotic factors
D. limiting factor

Random Topics:
Verbs, Tenses, and VocabularyGrammar - Present Perfect with for and sinceComparatives and SuperlativesPronouns, Sentence Structure, and ApostrophesDaily Routines & TensesQuestion Tags-ing / InfinitiveApostrophes and GrammarComparative and Superlative AdjectiveZero Conditional SentenceOther quiz:
Modal Verbs › ViewWhen he was 40, he . . . six languages.
A. was able to speak
B. is able to spoke
C. could spoke
D. can speaks
Idioms › View
He must be about 90. He is really ___.
a. getting on
b. bringing up
c. bringing forward
Turn right ______ Sunny Street.
A. on
B. of
C. into
D. by
Articles › View
__apple is tasty (maitsev).
A. a
B. an
C. the
D. x
