Multiple Choice:

1. Which organisms are capable of converting gaseous nitrogen in the air into a form that other living organisms can use? (1 point)
nitrogen-fixing bacteria
denitrifying bacteria
decomposers
producers
2. Which step in the nitrogen cycle is accelerated at the beginning of the eutrophication process? (1 point)
denitrification
nitrogen fixation
producer uptake of nitrogen
consumer decomposition
3. Which of the following is carried out by denitrifying bacteria? (1 point)
break down large, nitrogen-rich molecules to simple molecules
build large, nitrogen-rich molecules from simple molecules
convert biologically useful nitrogen to gaseous nitrogen
convert gaseous nitrogen to biologically useful nitrogen
4. Which type of organism moves nitrogen from cells of producers back to the soil? (1 point)
decomposers
consumers
nitrogen-fixing bacteria
denitrifying bacteria
5. What would be the consequence of an ecosystem that had no nitrogen-fixing bacteria? (1 point)
Nitrogen from decomposing animals would never be returned to the soil.
Decomposers would not be able to break down the nitrogen present in plants they feed on.
Plants would have to rely on biologically available nitrogen present in the soil.
Consumers would not survive since they would have no way to obtain the nitrogen they need.

josh josh answered
10 years ago

Plz anyone?

Zayd Hijazi Zayd Hijazi answered
10 years ago

1. a

Daniel Daniel answered
9 years ago

1.A

2.D
3.C
4.A
5.C
I hope I really helped

Klynn Klynn answered
9 years ago

1.A

2.C
3.C
4.A
5.C

These are the correct answers

Savannah Savannah answered
8 years ago

I will post if Daniel or Kylnn is correct. brb. Putting in the answers.

Savannah Savannah answered
8 years ago

Kylnn's answers are 100% correct. Please do not give false answers Daniel or make sure you are 100% sure about your answers before posting. The correct answers are:

Help me with this science. - Klynn, Saturday, January 24, 2015 at 11:39am

1.A
2.C
3.C
4.A
5.C

Nate Nate answered
8 years ago

Yep they are right

Anonymous Anonymous answered
7 years ago

Klynn's answers are all correct.

Got 100% thanks!

Lisa Lisa answered
6 years ago

They are correct just took the test

Anonymous Anonymous answered
6 years ago

i like you emily

UMM kk UMM kk answered
6 years ago

Daniel was just giving the answers he thpught it was not giving you the right answers

Anonymous Anonymous answered
6 years ago

1.A

2.C
3.C
4.A
5.C
100%

babypuppies babypuppies answered
5 years ago

Thanks

... ... answered
5 years ago

If this is posted that means Klynn's answer's were right! HAHAHAHA Im so late with this XDD

❤Brianna Finger❤ ❤Brianna Finger❤ answered
5 years ago

THANK YOU EVEYONE!! #LastDayOfSchool

who played deathrun games who played deathrun games answered
4 years ago

who played a deathrun once

chloe chloe answered
4 years ago

I have'

Jonas Hernandez Jonas Hernandez answered
4 years ago

2020 still right!!!

😎 😎 answered
3 years ago

Anyone plays among us?....no? Just me?...okay-

emily emily answered
3 years ago

i play

emily emily answered
3 years ago

MK so this is new I put in the answers and it said response saved so I can't say if Klynn is right so I guess she is I'm not 100 % sure I let you know when I get my report.🙃

CONNEXUS BOI CONNEXUS BOI answered
3 years ago

lol 2020 anyone

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