I believe the are recently new within the last 50 years i would imagine
Answer: Sea anemone and ctenophore both inherited tentacles from a shared ancestor population, but this population separated into different environments. In each environment, different types of tentacles evolved, which helped the populations survive.
Explanation:
most likely explains why both species have tentacles and why the tentacles are different is because sea anemone and ctenophore both inherited tentacles from a shared ancestor,
Then, this population separated into different environments and there was tye evolvement of different types of tentacles evolved, which therefore helped the populations survive.
Answer:
A. 1/4
B. 1/2
C. 1/4
Explanation:
i hope.. but i'm pretty sure lol
Answer: Option B
Explanation:
The umbilical cord is the flexible structure connecting a foetus with the placenta; which transports nourishment (oxygen, glucose, drugs) to the foetus and removes waste (blood rich in carbon dioxide and depleted in nutrients).
Also the umbilical vein is a vein present in the cord that carries oxygenated blood from the placenta to the growing fetus .
Note: Options A, C and D are inaccurate