Match the term to its description. match term definition elliptical galaxy a) does not have a distinct regular shape galaxy b) forms a perfect sphere or an ellipse and is flattened to some degree irregular galaxy c) is a collection of several billion stars and interstellar matter isolated in space spiral galaxy d) has a central core from which curved arms spiral outward

The chromosomal structure that limits the number of cell divisions of a cell is the the chromosomal structure that limits the number of cell divisions of a cell is the kinetochore telomere histones centromere

Aheterozygous normal male marries a woman with a sickle cell anemia. give the genotypes and possible phenotypes of the offspring

Which of the following statements is most likely correct about a rock belonging to the jurassic age and a rock belonging to the cambrian age? options: 1) they have identical fossils of organisms that have evolved over time. 2) both have animal fossils preserved in them due to weathering and erosion. 3) they contain different fossils because life on earth has changed through time. 4) the fossils in them were formed on the surface of earth due to exposure to sunlight.