[ Vocabulary ]
the struggle between organisms to survive as they attempt to use the same limited resources in the same place at the same time
A. competition
B. predator
C. prey
D. symbiosis

Random Topics:
Pronoun-Verb AgreementSome & AnyVerbs: Action, Linking, and HelpingAdverbial Clause / If / ComparativesFOR & SINCEQuantifierSimple Present Continuous TenseTenses, Determiners & Subject Verb Agreement-Ing and Infinitive Verb PatternsInfinitive and GerundOther quiz:
Past Tense › Viewshe (finds)________________ the door open.
A. reached
B. found
C. lived
D. gave
E. knocked
Vocabulary › View
Feeling sure of yourself and the things you can do.
A. Courage
B. Confidence
C. Empathy
D. Custom
Past Simple, Past Continuous, Past Perfect, Past Perfect Continuous › ViewThe children ______ in the garden while their parents were watching them
A. played
B. had played
C. were playing
D. play
Grammar › View
There’s something wrong with the table. Yes, I can ________ .
A. feel it that it’s moving
B. touch its moves
C. touch it moving
D. feel it moving
