The ocean near the lake is also home to stickleback fish where seasonal channels allow some movement between the ocean and lake. Scientists compared the ocean sticklebacks and found that 440 of the ocean fish had spines and 64 were spineless. A. The frequency of recessive alleles in this population (q) B. The frequency of dominant alleles in this population (p) C. The percentage of individuals in the population that are heterozygous: D. Provide an explanation for why so many fish in display the recessive trait.

Which type of respiration takes place when there is no oxygen present

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.

On his trip to the galapagos islands, darwin determined that animals on the islands