<span>The vast majority of organisms within the kingdom animalia are the invertebrates and the vertebrates. These include organisms that have the ability to ingest food and movement for defense and attack. Humans are one of the organisms in the Kingdom Animalia. Hope this answer helps.</span>
Feel free to ask if you still don't understand
1) bottom
2) top
The female cones are located at the top of the tree while make cones are at the bottom. The placement of cones is important in reproduction. Because cross-pollination between trees is desired. Wind will bring pollen from the male cone to female cones from other trees.
G. She must try to use animals as subjects instead of humans.
There are no animals being involved in this study as it states in the question "...Involves human subjects."