We are here at the riverbank to look at the way different animal circulation systems ... Grasshoppers have what's called an open circulatory system. Fluid isn't enclosed inside blood vessels ...

“One big difference is that whales are often traveling thousands of miles across ocean basins–great whales undertake the ...

These modifications revolve around change from gill to lung respiration and the evolution of the double circulatory system. Figure 11.13A shows ancestral condition, seen from side of animal, with 6 ...

A circulatory system that beats gravity ... At 14 to 19 feet tall, giraffes tower over the entire animal kingdom. But their iconic height, which evolved over seven million years, requires unique ...

Does this sound like a surprise? Here’s a list of animals without blood: 1. Spiders Spiders do not have the common circulatory system; rather, they use hydraulic mechanisms to move around.

Bring books that might help you, if you wish (vertebrate, animal physiology, etc ... Keep function and integration of circulatory system in mind as you locate organs.