Which soil region extends to the underlying bedrock, and consists of mineral particles and rock fragments but generally no organic material?
a. A horizon
b. B horizon
c. C horizon
d. D horizon
e. O horizon
C
You might also like to view...
A sexually reproducing animal that can fertilize itselfis known asa ____ hermaphrodite
a. simultaneous b. sequential c. parthogenic d. gastrulated e. preferential
Fatty acids are ________; they function in the cell as ________
A) short chains of double-bonded carbon molecules; storage lipids B) short chains of double-bonded carbon molecules; vitamins and cofactors C) four-ringed hydrocarbon molecules; key components of membranes D) long, unbranched hydrocarbon chains with a carboxyl group at one end; building blocks for other lipids E) short chains of double-bonded carbon molecules; vitamins, cofactors, and storage lipids
Social behavior in which a penalty is imposed on the "recipient," while the "actor" also suffers a loss, is called ________
Fill in the blank(s) with correct word
Sister chromatids are separating from each other during:
A) anaphase. B) metaphase. C) prophase. D) telophase.