The aorta, which arises directly from the heart
hi! producers are the main source of energy for consumers because they turn sunlight into chemical energy. without producers, no ecosystem would be able to survive because consumers would no longer have energy needed to live. hope this helps!
I believe vestigial structures are evidence of evolution because organisms inherit anatomy from their ancestors.
Hope that helps.
Sloths (three-toed), chameleons
Answer:
B. Stem.
hope it helps
<h2>stay safe healthy and happy.</h2>
