Carbon dioxide is used by plants. In the chemical formula this is the same as the . ( choose from: input, output, products, by-products)

One important development during the 3rd trimester that will insulate the infant against changes in temperature is a. the deposition of fat under the skin b. the closing of the septum between c. the atria of the heart d. the beginnings of lung functioning e. the beginnings of light and sound sensing

If an organ has six haploid chromosomes, how many chromosomes are present. 6 12

Which of the following is caused by reproductive isolation within a species? a. a decrease in gene flow b. an increase in genetic flow c. a decrease in genetic drift d. an increase in gene flow