1. Which of the following is a biotic factor? sunlight
worms
water
climate

2. Nitrogen is used by ____.
plants
animals
both a and b
neither a or b

3. As you move from level to level in an energy pyramid, energy ____.
decreases
increases
stays at the same level
is destroyed

4. The part of Earth that supports life is a(n) ____. biome
ecosystem
biosphere
organism

5. Population ____ can be even, random, or clumped together.

Question

1.   Which of the following is a biotic factor?  sunlight
worms
water
climate

2.   Nitrogen is used by ____.  
plants
animals
both a and b
neither a or b

3.   As you move from level to level in an energy pyramid, energy ____.  
decreases
increases
stays at the same level
is destroyed

4.   The part of Earth that supports life is a(n) ____.  biome
ecosystem
biosphere
organism

5.   Population ____ can be even, random, or clumped together.

anonymous · Answer

Sorry my spacebar got messed up I just got a new computer and the keps don't go down all the way for some reason.

anonymous · Answer

for number one. is sunlight one of the choices?

blues · Answer

Biotic refers to 'living' or 'alive...'

anonymous · Answer

4. biosphere
5. spacing

blues · Answer

Yes, and which of the options are alive?

anonymous · Answer

worms?

blues · Answer

Yes, exactly.

anonymous · Answer

3. decreases

anonymous · Answer

2. dont know

anonymous · Answer

1. worms
2. both a and b
3. decreases
4. biosphere
5. spacing 
just figured out by reading book