1. which of the following is a biotic factor?

a. sunlight
b. worms
c. water
d. climate

2. nitrogen is used by

a. plants
b. animals
c. both a and b
d. neither a or b

3. as you move from level to level in an energy pyramid, energy

a. decreases
b. increases
c. stays at the same level
d. is destroyed

4. the part of earth that supports life is a(n)

a. biome
b. ecosystem
c. biosphere
d. organism

5. population can be even, random, or clumped together.

Svetlana and her mother are very similar. both have blonde hair, a love of scrapbooking, blue eyes, and a thin nose. which statement  most likely  describes svetlana’s traits? svetlana inherited her love of scrapbooking from her mother, but her blue eyes come from her environment. svetlana inherited her blue eyes from her mother, but her love of scrapbooking comes from her environment. svetlana inherited her thin nose from her mother, but her blonde hair comes from her environment. svetlana inherited her blonde hair from her mother, but her thin nose comes from her environment.