Spiral, elliptical, irregular, and barred spiral are different shapes of
a. orbits
b. stars
c. solar systems
d. galaxies

Acquired mutations can result from radiation pollution toxins inheritence select all that apply

Patient has just received an organ transplant which treatment would be most effective in preventing the patient’s body from

Match the reproductive structures based on their function and the system to which they belong. egg ovary sperm vas deferens vagina fallopian tube testis urethra