Achild receives x chromosomes from its mother, and a y chromosome from its father. what is true about this child?
a. it is haploid
b. it is male
c. it is female
d. it is prokaryotic

The bacteria inside a tube worm would be analogous to what organism in the ocean ecosystem near the waters surface? a. photosynthetic algae b. shrimp c. clown fish d. parasitic lamprey

What is the most important inorganic material for livings things? ! due tomorrow!

How do the sperm cells get from the stigma to the ovules?