How does the size of the x chromosome compare to the size of the y chromosome?
a. the x chromosome is twice the size of the y chromosome.
c. the x chromosome is half the size of the y chromosome.
b. the x chromosome is three times larger than the y chromosome.
d. the x chromosome is one-third the size of the y chromosome.

In 1992, hurricane andrew left a wake of destruction through florida. one victim of the storm was a reptile-breeding facility. over 900 burmese pythons were set free, and today thousands of pythons live in florida. these pythons are an invasive species, or a harmful species not native to the region. 1. what impacts do you think the burmese pythons might have on local ecosystems

Which of the following was a characteristic of a dromaeosaur? modified front claw grasping with their forelimbs both a and b none of the above

Why are some people more concerned about shark survival than about shark attacks?