Which of the following would likely fossilize under normal environmental conditions?
A. An elephant that died near a waterhole that dried up.
B. A bird that died and fell into the forest litter.
C. A slug that died in leaf litter.
D. A soft shelled crab that dies in an estuary.
E. Both a bird and slug that die and fall in leaf litter.
A. An elephant that died near a waterhole that dried up.
You might also like to view...
Organisms that produce all of their offspring in a single event are
A. always successful. B. never successful. C. autogenous. D. semelparous. E. iteroparous.
When the first generation parents are homozygous for different alleles, a 3:1 phenotype ratio will most
likely appear in which generation of offspring? a. P1 b. H1 c. A1 d. F1 e. F2
The aminoglycosides directly target which structure of the bacterial cell?
A) 30S ribosomal subunit B) 50S ribosomal subunit C) cell wall D) plasma membrane
A frameshift mutation:
A) leaves the amino acid sequence unchanged. B) results from an insertion or deletion in a DNA sequence. C) substitutes a pyrimidine for a purine, or vice versa. D) substitutes a purine for a pyrimidine only. E) is the result of an unequal crossing-over.