7. What is pollen? * The reproductive cells of an animal
The reproductive cells of vertebrates
The reproductive cells of plants
None of the above.

Choose the molecule that is described by each phrase. energy used during long activities:

Flock x flock y flock z total pieces of food eaten (from previous page) 147 93 60 food percentage* % % % simulated number of birds in flock for 3rd generation** * divide each flock's total pieces of food by 300, the total number of pieces of food eaten. ** multiply the food percentage for each flock by the total number of birds (30).

Which label correctly identifies what x represents in the concept map?