An igneous rock is dark colored that formed from molten material when a lava flow cooled and solidified quickly at Earth's surface. This igneous rock
would be classified as an

Which of the following statements is true? a. the main cause for speciation is an increase in gene flow. b. organisms that reproduce asexually are not considered part of a species. c. on a tree of life diagram, speciation is shown by the merging of two different lineages. d. the size of the geographic area inhabited by a population can cause speciation.

One of the purposes of transcription is to produce a sequence of bases that

As the pea seeds respire, the level of coloured liquid in the left hand part of the capillary tube rises. by referring to what is happening in the apparatus, explain why the level of liquid changes