The big bang theory states that the universe began approximately ________ years ago

a. 3.5 billion
b. 10,000
c. 1.2 million
d. 120 million
e. 13 billion


e

Biology & Microbiology

You might also like to view...

Almost all houseplants are clones that have been grown from ____ of a parent plant

a. Seeds b. cuttings c. suckers d. grafts e. fruits

Biology & Microbiology

Gregor Mendel

1.lived in the 1800s. 2.was a monk. 3.grew pea plants. 4.was raised on a farm. 5.All of the choices are correct.

Biology & Microbiology

The middle layer of the skin

a. is called the dermis. b. is primarily connective tissue. c. contains collagen fibers. d. is all of the above.

Biology & Microbiology

What term refers to each chemical version of a gene?

a. chromatid b. phenotype c. locus d. allele e. chromosome

Biology & Microbiology