What was the first period of the paleozoic era?

a. ordovician
b. siberian
c. cambrian
d. precambrian

Which of the following is true for a cell that has a flagellum? it cannot be a part of a multicellular organism. it cannot be a part of the oldest known fossil. it cannot have a cell membrane. it cannot have ribosomes.

Free brainliest! what is a characteistic of the american stradfordshire?

Study this image. which statements best describe the rock shown? check all that apply. the grains of this rock are jagged. this rock has several coarse grains. the grains in this rock are very large. this rock has a non-banded pattern. the color of this rock is determined by its texture.