Which of the following pairs of vertebrate classes are most like each other? a) birds and fish b) reptiles and mammals c)amphibians and reptiles d) fish and mammals

Cells tend to have a relatively small and uniform size. why aren’t cells larger?

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)

Using meiosis, the sporophyte produces spores that are .