In the food web diagram which two organisms are secondary consumers?
lizard
grasshopper
grass
rabbit
hawk
mouse
snake
afood webino grassland ecosystem with flve possible food chain
hawk, lizard
lizard, snake
rabbit shake

An easy way to calculate the amount of energy available at each level is to what?

Talking listening and reacting non verbally are all part of communicating

Astudent wants to test the hypothesis that fertilizer improves the growth rate of grass seeds. to test this hypothesis, the student put the same amount of grass seed in 3 containers with the same type of soil. the student measured the growth at the end of the week. all plants received equal amounts of water and sunlight. if you were asked to graph this data, what would you place on the x-axis? a. fertilizer b. water c. plant growth d. week one