Ask your own question, for FREE!
Biology 4 Online
OpenStudy (yuii):

An open system, such as an ecosystem, is characterized by which trait? A. Energy enters the system but does not leave it. B. Energy neither enters nor leaves the system. C. Energy leaves the system but does not enter it. D. Energy can enter or leave the system.

OpenStudy (terryhall1999):

. Energy can enter or leave the system.

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Latest Questions
serenitystXrgazer: Getting sent to anti gay christian covestion camp in a few weeks, any tips. guys i think im cooked.
7 hours ago 1 Reply 0 Medals
heartlessprophet: How do i get paid from work when im in job court ?
1 day ago 0 Replies 0 Medals
Aubree: Guys, what does love feel like? I've been getting a tight chest and when I talk to him my heart rate hangs out around 100-120 beats per min, and when he doe
14 hours ago 10 Replies 2 Medals
KBaby: Any1 down to call
2 days ago 0 Replies 0 Medals
KBaby: Bored af lwk need sum1 to talk to
2 days ago 2 Replies 0 Medals
thereneelg: ok... anyone have advice?? ...I did Choir all throughout Middle school and have ALWAYS been put in Soprano those three years.
2 days ago 6 Replies 1 Medal
kamariana: The Byzantine Procopius is known for (5 points) reconquering much of the old Roma
3 days ago 0 Replies 0 Medals
chuckD: hellp!!! what does it mean to describe a scientist as skeptical Why is sceptical
3 days ago 2 Replies 1 Medal
DoltonCarlee: So like do y'all know anything about the first world war?
2 days ago 2 Replies 0 Medals
thehearken: anyone know how to explain this so its easier for me to understand? b(1)=2, b(n)=
2 days ago 5 Replies 2 Medals
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!