[ Vocabulary ]
features that make organisms different from one another
A. characteristics
B. variation
C. behavioral variation
D. physical variation

Random Topics:
HomophonesModals Posibility and ProbabilityPronouns/ Present TenseModals and Present TensesPast and Past ContinuousInfinitive and GerundsComparison and ModalsGrammar and PunctuationModals and Active and Passive VoiceEs and SOther quiz:
Vocabulary & Grammar › ViewThis is the room ____ the players get changed.
A. that
B. where
C. –
D. which
Simple Past vs Past Continuous Tense › View
One man _____________ the grass while his wife___________ strawberries.
A. mowed/ picked
B. was mowing/ was picking
C. was mowing/ picked
D. mowed/ picking
Grammar › ViewIn recent years there has been a large increase ………….. the number of people who take no regular exercise.
A. of
B. in
C. for
Conjunction › View
I was having a nice time here, ……. I decided to stay longer.
A. because of
B. because
C. therefore
D. due to
