At which location would an object’s weight be the greatest? A. on Pluto
B. on Earth
C. on the Sun
D. on the moon

Which of the following occurs most often in a population when genetic variation and overproduction are present? some organisms have a lower reproductive success than others. some organisms have a higher reproductive success than others. some organisms have no reproductive success. some organisms do not have genetic variation.

The body is protected against harmful flu viruses by

Using meiosis, the sporophyte produces spores that are .