The placenta and the umbilical cord
Kelp --> sea urchins ---> sea otters best represents the feeding relationships in a kelp ecosystem that has not been disturbed
by humans.
Answer:
I believe it's ecological succession.
Hope that helps!
Answer:
weed(s)
Explanation:
it’s a plant that is out of place, undesirable, or an annoyance because it interferes with agricultural or animal production.
hope this helped!
the human body is always at work and using all organs the bodys largest organ is the skin
