A substance has a mass of 120 grams and a volume of 8 cm3. What is the density of the substance?

To determine if a particular plant is homozygous or heterozygous, you would have to test cross with a

In a lab, scientists grew several generations of offspring of a plant using the method shown. what conclusion can you make about the offspring? a. they formed from meiosis and mitosis. b. they have half the number of chromosomes as their parent. c. they have low genetic variability among them. d. they will be able to reproduce only after they grow flowers.

Which of the following was not a major animal on land during the carboniferous period? amphibians insects both a and b none of the above