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Q. As animals attained larger and more complex bodies, exchanges with environment became more difficult. Explain the problems of larger bodies and the solutions that solved these problems but led to increased complexity. Think about the advances of Porifera, Cnidaria, and Platyhelminthes and include in the answer- a. description of […]

A student presses a book between his hands, as the drawing indicates. The forces that he exerts on the front and back covers of the book are perpendicular to the book and are horizontal. The book weighs 33.0 N. The coefficient of static friction between his hands and the book […]

– Describe the differences between prokaryotes and eukaryotes (at this point you should be able to describe at least three differences and tell what one has that is absent/altered in the other) -Describe the functions of each organelle discussed in the animal and/or plant cell -How can a newly made […]

Sheep Lab Report The decline in sheep and lamb numbers in the U.S. can be attributed to multiple reasons and causes. Did you find any of these reasons or causes surprising? Why or why not? Sheep and goats have several similarities, but are also different in many ways. Keeping this […]