In which era was there animal life found only in the ocean but plants were growing of land?
a. cenozoic era
b. mesozoic era
c. precambrian era
d. palezoic era

One group of reptiles, characterized by the fossil ark metal x

State officials are considering constructing a road through a forested wilderness area. this action will likely affect the forest ecosystem in various ways. part a: predict how the construction of a road could negatively affect plants and animals in that ecosystem. (3 points) part b: describe one way that the construction of a road could have a positive impact of the forest ecosystem. (1 point)

Genetic disorders can result when sister chromatids fail to seperate properly. during what phase is this problem most likely to occur?