Hugh wrote the characteristics of two types of galaxies as shown below: type a: has a central core from which curved arms come out type b: forms a perfect sphere or a smooth flattened oval which statement is correct? type a is a lens galaxy and type b is an irregular galaxy. type a is an irregular galaxy and type b is a lens galaxy. type a is an elliptical galaxy and type b is a spiral galaxy. type a is a spiral galaxy and type b is an elliptical galaxy.

Drag each label to the correct location on the image. each label can be used more than once. a scientist introduced mutations in a gene sequence isolated from bacteria. study the sequence, and identify the steps where the mutations may affect the formation of proteins. in the sequence, black letters stand for protein coding regions and red letters stand for noncoding regions. protein will not be changed. protein may be changed. attcgtgttc atcgtgttc atcgtattc attcgtattc

The lineage of pea plants produced round seeds for four generations. the plants that fertilized these pea plants also produced round seeds. however, in the fifth generation, the plant produced to two plants with wrinkled seeds. can that be possible?

Drag the tiles to the boxes to form correct pairs. match the causes with their effects cause: tectonic plates at transform boundaries experience friction. cause: tectonic plates at transform boundaries experience friction. cause: earth is covered by a crust that runs miles deep.