Answer:
Two characteristics are a notochord, and a dorsal hollow nerve cord.
Hope this helps! :D
The answer would be A. Because orifice means opening. So it would be " The orifice of the octopus is at its center, where its arms meet. Hope that helps!!
The answer is "Vacuole". I hope this help!
Answer: i dont understand it....
Explanation:
Answer:
population size, population density, when scientists population spacing and age structure
Explanation:
because because four characteristics is defined a population and i kind of just know.