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

Which best describes the structure of dna?

Scientific thinking: what clues about biology might road kill provide?

Match the type of adaptation to the correct example, structural adaptation functional adaptation behavioral adaptation example type of adaptation elephants live in herds to protect their young leaves of a rain forest plant species have a pointed tip that enables rainwater to drain off easily. camels have nostrils that they can close snakes produce venom to kill prey and defend themselves. earthworms coil when touched, as part of a defense mechanism. human skin darkens with increased exposure to sunlight.