Which characteristic is shared by extrusions, intrusions, and faults? 1. All are cracks.
2. All are igneous rocks.
3. All cause gaps in the geologic record.
4. All are younger than surrounding rocks.
PLEASE HELP ASAP

Which of the following would be least likely to support the modern concept of biological evolution? ( 2 points) a)different species of organisms with similar bone patterns b)different species of organisms with similar reproductive rates species in c)different domains with similar metabolic pathways species in d)different kingdoms with similar cellular structures.

All ova contain sex chromosomes corresponding to: x y xx xy

Select the correct answer from each drop-down menu. the lac operon in e.coli regulates genes that code for enzymes required for breakdown of lactose. the lac operon is operon that is activated in the presence of .