Have you tried on the oviaducts im not sure but try it
Can you please post option too
As you go up in an ecosystem the bigger animals have less energy. While the organisms down at the bottom like plants that create their own energy have greater amounts. This is because energy is rated doing everyday things. As energy travels up the food pyramid, it looses more and more energy. This is knower as the 10% rule. In which every time you go up 10% of energy is lost.
B. Crab
is your answer
An crab has an exoskeleton
hope this helps
The answer is B. Eukaryotes
Eukaryotes organisms that are made of cells that have a nucleus.
Hope this helps!