a tree is an example of (an)?
a. chemotroph
b. scavenger
c. autotroph
d. heterotroph

What drives an advertising campaign?

Give three examples of plant activities that are affected by circadian rhythms and natural fluctuations in the length of daylight?

How do you know that the plant cells in these two images have different jobs, or functions? a. because all plant cells serve different functions b. because they are two different colors c. because their dna are different d. because their structures are different