He introduced bacteria into liquid sterile nutrient gelatin. [Please select]
0
By autumn, plankton concentrations diminish as light and nutrient levels decrease. [Please select]
0
An alternate explanation for the delay in tooth replacement is that the animals were suffering from malnutrition or nutrient deficiency. [Please select]
0
Increased nutrient levels and sunlight in spring/summer provide sufficient nutrients and energy for phytoplankton "blooms" to occur. [Please select]
Do you have a better example in your mind? Please submit your sentence!