Please answer the question below * Base your answer to the following question on the diagrams below, which represent two bedrock outcrops,
I and II, found several kilometers apart in New York State. Rock layers are lettered A through F. Drawings
represent specific index fossils.
I
II
A
D
B.
Unconformity
EC
Describe one characteristic a fossil must have in order to be considered a good index fossil.

Sampling lake water for microscopic organisms is not as easy as it sounds when you want to both count and identify species. in a given water sample, your bacteria of choice can be rare or difficult to culture, particularly given the mixture of bacteria in a biofilm. which of the following culture media would be best for growing fecal coliforms when they are relatively less abundant than other bacteria in the lake? anaerobic culture medium enrichment culture medium complex culture medium basic culture medium

Many animals cannot sweat to maintain a stable body temperature. what is one other way animals can cool down?

Guinea pig coat color is determined by a single gene. the allele for black coat color is dominant to brown. in a cross between twoblack-haired guinea pigs, 20 offspring are born. if both parents were heterozygous, probability would predict that approximately howmany of the 20 offspring would have brown hair?