Why is Ardi such an important development? (A) It proves the connection between Antarctica and Australia. B It shows fossil records of how interconnected all of humanity is. (C) It lends credibility to the idea that humans originated in Mongolia. (D) It is even older than Lucy, another human ancestor fossil.

Which of the following happen when dehydration begins to occur? the body reduces fluid output to zero polyuria is present. the body increases the release of atrial natriuretic hormone the salivary secretions decrease

The most effective regulator of blood pH is which of the following? the renal system the respiratory system the digestive system the buffer system

Quel mécanisme permet à un jeune pied de ronce de former rapidement un roncier (buisson de ronces)? Indiaue comment la ronce conguiert un autre milieu, même éloigné? Comment s'effectue

7. The European rabbit (an herbivore) was introduced to Australia in the 1800 s. It has no natural predators in the continent and breeds very quickly. Which of the following is a negative impact that resulted from the introduction of rabbits to the Australlan ecosystem?

Question 4 (5 points) Which of the following practices would help a total vegetarian increase their iron intake from plant food? Adding cheese to salads and sandwiches C) Drinking zinc, calcium, and selenium sumplements milk D) Cooking vegetables with tomatoes and lemon juice in a cast iron skillet