Plants' roots grow downwards, not up. This is an example of OA
an organism responding to an internal stimulus.
OB.
a signal being detected.
an organism responding to an external stimulus.
OD.
a signal being interpreted.

How many trophic levels are there in the following food chain? phytoplankton - shrimp - perch - pike - osprey

Looking at this image, what relationship can be drawn from it? the lower the degree of latitude, the lower the degree of temperature there is no relationship between latitude and temperature the higher the degree of latitude, the higher the degree of temperature the lower the degree of latitude, the higher the degree of temperature

What’s the student’s scientific question