Describe the process and importance of double circulation in humans.

Explain overproduction

What are plasmids?

What is an organism that lives on or in another organism and uses the other organism for nourishment to the detriment of the host organism?

What kind of relationship does a tapeworm have with the cow whose gut it is living in

What are the ten biomes, and what appears to be the most prominent biome in North America, South America, Asia, Africa, Australia, and Europe? (Since this is an approximation, more than one answer is possible for Africa, North America, and Asia

Why do many different types of proteins exist even though there are a limited number of amino acids

What is a difference between embryonic and adult stem cells? embryonic stem cells are undifferentiated; adult stem cells are partially differentiated. it is easier to enucleate embryonic stem cells.

A cell must be from a plant if the cell has:

What are two examples of the way the actions of humans harm some living things?

The chart shows the percentage of different elements in the human body. Which element is the most prevalent in the human body? (A) nitrogen (B) hydrogen (C) carbon (D) oxygen