How many trophic levels are there in the following food web? spider
robin
fly
worm
grass
A. 5
B. 3
C. 4
D. 2

2polhiswhere is the energy in a glucose molecule stored? ooa. inside the carbon atomsb. inside the protonsc. in the bonds between the atomsood. inside the hydrogen atoms

An area has a few days of low humidity, warm air temperature, and high air pressure. what kind of weather is this area experiencing? o fog o snow storms o sun

Which organelle plays a role in intracellular digestion?