Left ventricle right ventricle
Label on heart

Hummingbirds drink nectar from flowers, while robins eat plant seeds. what does this reduce?

Cathy hypothesized that corn would not grow in mud. to test this hypothesis, she took corn kernels and placed 5 in mud, 3 in soil, and 2 in water. to her surprise, the kernels in the mud grew faster than the kernels in the soil. what error might have caused these unexpected results? a. wrong hypothesis b. not enough variables c. undefined control d. too many variables

How water is moving through the ecosystem ?