Which of the following is not one of the levels of organization studied by ecologists?
a.
biome
c.
ecosystem
b.
species
d.
all are levels that are studied

Food contains a sugar called ( ), which is broken down in a process called cellular ( ). this process uses ( ) to break down food molecules and provide energy for cells. fill in the parentheses

Describe the two types of vascular tissue

Which step is not included in the step approach to calculating the greatest common divisor?