Quaking aspen can send out underground stems for asexual reproduction. sexual reproduction is not as common, but when it does happen, the haploid gametes have 19 chromosomes. how many chromosomes are in the cells of the underground stems?

Pulmonary arteries carry highly oxygenated blood. true or false?

Dr. arenas is a scientist who has been trying to determine if increasing pressure will increase the sound that occurs when two chemicals explode. it measures the volume of the sound that occurs at the minimum pressure at which the explosion will occur. it then increases the pressure and measures the volume of the explosions that occur. what kind of investigation is the scientist conducting?

Identifies and describes 3-4 components of the endocrine system (10 points) transfers meaning from one subject (endocrine system) to another (scenario/example) (10 points)