switch gene with traits and i think you will be good im not sure though
Answer:
to organisms all over the planet
Answer:
spiders
Explanation:
While humans and many other species have red blood, due to the iron in their hemoglobin, other animals have different colored blood. Spiders(as well as horseshoe crabs and certain other arthropods) have blue blood due to the presence of copper-based hemocyanin in their blood. Some animals, such as the sea cucumbers, even have yellow blood.
the correct answer is c according to my mom. she is a doctor
I beleive it is either A or C. im stuck between those 2 answers. I did this section 2 weeks ago.