Which of the following does not occupy the bottom of an energy pyramid?

a. phytoplankton

b. trees

c. grass

d. zooplankton?

Scientists are performing an experiment to determine the effects of using genetically modified crops to control pest population all the data that has been collected and analyzed supports the original hypothesis what is the next step in the

Ihich of these is the best definition of density? A. the amount of space an object takes up B. the amount of mass in a given space c. a measure of the force of gravity on an object D. the sum of all physical properties of a substance

During upwelling, nutrient-rich water rises to the surface. How would this most likely affect the biotic components of the ecosystems where the upwelling is taking place?

Which type of interaction is described below Blank interactions occur between individuals of two or more different species

What makes an energy source renewable?

Glucose diffuses slowly through artificial phospholipid bilayers. The cells lining the small intestine, however, rapidly move large quantities of glucose from the glucose-rich food into their glucose-poor cytoplasm.

What's the function of rough er

Milo is observing the things around his family's farm. He writes down four different resources and whether he thinks they are renewable or nonrenewable. The table below shows his notes.

A baby born from a caesarian section (an operation where the baby is removed surgically from the abdomen instead of a vaginal birth) would result in:

What are body waves?