If a sperm cell contains 8 chromosomes, it comes from an animal that has chromosomes. A. 4
B. 8
C. 12
D. 16
E. 24

What environmental cues and landmarks do the geese use to determine the timing and direction of their migration over the mountains? how do they find their way?

Many organizations release indexes used to measure the development of the world's countries. as we learned in this lesson, these indexes measure many factors, from life expectancy to happiness. in your opinion, what are the three most important factors we can use to determine how developed a country might be? explain your answers in a few sentences.

Each nephron is made up of capillaries that form the __ sweat glands bladder glomerulus ureter