You notice that the longer you spend in the dark, the better your night vision becomes. This is due to the contraction of your _____ iris muscles, causing your pupils to _____.

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


Radial; dilate

Environmental & Atmospheric Sciences

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What is the significance, in terms of geological time, of the word "temporary" in temporary base level? What will be an ideal response?

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The last glacial minimum ended approximately 15,000 years ago.

Answer the following statement true (T) or false (F)

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Ability to break off body parts and regrow them later is an adaptation to cope with which of the following adverse conditions of the rocky intertidal zone?

A) Difficulty finding mates B) Drying out during low tide C) Lack of space or attachment sites D) Predators E) Strong wave activity

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Amino acids, sugars, proteins, and nucleotides are considered the building blocks of life.

a. true b. false

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