When you were an 18 year old in high school, your parents insisted that you were still an adolescent and therefore incapable of living an adult life. which of the following, however, is an example of how you were already like an adult?
a. you had already entered senescence.
b. your brain was already full size.
c. you had some permanent teeth.
d. some of your epiphyses were still unfused.

Across of blue x blue (both heterozygous) would result in

Read this summary of a scientific theory: "cells are the most basic structural and functional units of life. all living organisms are made up of one or more cells. all cells that are alive in the world today came from pre-existing cells." which of the following would require this theory to be modified? -a.) a survey finds that a majority of people believe viruses carry out the basic processes of life. -b.) a prominent scientist says she feels strongly that one day the theory will be challenged by life on other planets. -c.) the dna of unicellular and multi-cellular organisms is shown to have many fundamental similarities. -d.) scientific observations show that microscopic organisms living in the deep ocean are not made up of cells.

How has biodiversity on earth changed over time?