Carlos made a study chart about changes to the environment that are caused by humans. Environmental Changes Caused by Humans
X Y
Results from introducing harmful substances into the environment
Causes an increase in ultraviolet radiation that reaches Earth
Results from the rising human population
Causes the disappearance of many species in a short amount of time
Which headings best complete the chart?

X: Ozone Layer Destruction
Y: Mass Extinction
X: Long-Term Changes
Y: Short-Term Changes
X: Short-Term Changes
Y: Long-Term Changes
X: Mass Extinction
Y: Ozone Layer Destruction

Surrounded by microtubules, located near the nucleus. (don't try to google it) (give answer only if u know)

Cladistics is a way of classifying organisms by examining the characteristics of their ancestors and descendants and depicting the relationships in a cladogram. which of the following best describes a challenge in classifying organisms this way? a. there are millions of species on earth, and a cladogram is not a practical means for classifying all of them. b. it is impossible to tell which organisms are most closely related to each other using a cladogram. c. cladograms are detail-oriented and do not provide a useful understanding of evolutionary relationships. d. there is a limited number of ways to organize the information, so most cladograms end up looking very similar.

Your two friends just told you what to order for them at the drive through fast food restaurant. you give the order but when the food comes about 10 minutes later, you don't remember what each of your friends ordered your memory of the order was in __ memory. a. semantic b. flashbulb c. long-term d. short-term i think i know but i'm not really sure