A piece of petrified wood was once part of a living organism, but its tissues have been replaced by minerals and it no longer exhibits most properties of life, except for

What will be an ideal response?


organization.

Biology & Microbiology

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Sequential growth of microorganisms in which the growth of one organism produces environmental conditions suitable for the subsequent growth of another organism is called ________.

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

Biology & Microbiology

Four of the five people below influenced Darwin's writing of the book On the Origin of Species by

Means of Natural Selection. Select the exception.

a. Mendel b. Wallace c. Lyell d. Malthus e. Lamarck

Biology & Microbiology

The arrival of fat-rich chyme to the duodenum stimulates the gall bladder to contract and release _________ into the small intestine.  

A.  bile B.  cholecystokinin C.  secretin D.  lipase E.  chylomicrons

Biology & Microbiology

Using a microscope, you observe an amoeba moving toward a food source. This is an example of

A) reproduction. B) cellular structure. C) metabolism. D) growth. E) responsiveness.

Biology & Microbiology