Lola makes a list of what she learned about spiral galaxies. 1. they are made of bulges and arms 2. the bulges contain mostly old red stars . 3. the arms contain mostly old blue and blue -white stars 4. spiral galaxies are made of gas and dust . which statement does lola need to correct, and why?

Competition occurs between species when

(amoeba sisters video recap: pedigrees and need

The is an estimate of the fewest number of organisms a population needs to avoid extinction. this measurement will most if the number of offspring each female in the population produces increases. if the population's this measurement will most likely increase. 1 population density, minimum viable population, carrying capacity 2 decrease, be unaffected, increase 3 death rate increase, dead rate decrease