Question

What is the measure of how fast producers can convert solar energy into stored biomass?
A. Energy efficiency
B. Energy productivity
C. Biomass efficiency
D. Primary productivity

Answer 1

I would say B ..

Answer 2

b i remember all of them

Answer 3

What is another way to describe a trophic level?
A. A feeding level
B. An energy level
C. A level of matter
D. A photosynthetic level

Answer 4

c

Answer 5

Some bacteria in our digestive system help us digest our food. They may have originally been parasites, but we have evolved a symbiotic relationship with them in which they break down some of our wastes and we provide them with a habitat. What type of evolutionary process is this?
A. Speciation
B. Coevolution
C. Selective pressure
D. Extinction