According to the __________, the universe formed about 13 to 15 billion years ago and is still expanding. Fill in the blank(s) with the appropriate word(s)


ANSWER: big bang theory

Biology & Microbiology

You might also like to view...

The transformation of humans from hunter-gatherer societies to agriculturally based ones occurred approximately

____.

a. 14,000 years ago b. 11,000 years ago c. 7,000 years ago d. 1,500 years ago e. 200 years ago

Biology & Microbiology

Larger cells tend to

a. be long. b. be thin. c. have frilly surfaces. d. have folds that increase surface area. e. have any of these attributes.

Biology & Microbiology

The observation that although fresh water habitats account for only 1% of the Earth's water, they are home to 36% of the known species of fish is due to _______ speciation.

A. prezygotic B. postzygotic C. allopatric D. sympatric E. outgroup

Biology & Microbiology

Based on these results from the Bacterial Examination of Food exercise, what can you conclude about the bacteria present in the food sample? (Choose all that apply)

> They cannot ferment lactose > They are strong lactose fermenters > They are not coliforms > They are facultative anaerobes > They are Gram-negative > They are obligate anaerobes > They are Gram-positive > They are coliforms

Biology & Microbiology