___________, or water bears, have a reduced coelom

and molt. Fill in the blank(s) with the appropriate word(s).


Answer: Tardigrades

Biology & Microbiology

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Is the potassium and sodium ion concentration in a resting neuron high or low? Explain why

What will be an ideal response?

Biology & Microbiology

An idea that could be traced back to Plato is that

A. worldwide catastrophes caused extinction, followed by creation of new species. B. acquired characteristics could be passed from parents to offspring. C. artificial selection of animals by humans proves that evolution can occur. D. variation is due to imperfections in copies of some perfect ideal form. E. species could change with time.

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The release of ________ from the pineal gland is important for establishing ________.

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

Which of the following are exceptions to the universal genetic code that is used by most organisms? 

A. Pyrrolysine B. Selenocysteine C. Lysine D. Phenylalanine E. Stop

Biology & Microbiology