The tricuspid valve shuts. This prevents blood from flowing backward into the right atrium while the ventricle contracts. So, your answer will be the Tricuslid Valve. Hope I helped!
False. Tropical rain forests and coral reefs each have many different species living among them. Therefore, They would have a high biodiversity. Hope this helps!
Answer:
A.
Explanation:
A parasite does not feed it's host; in fact, it takes food energy/ food from it's host.
Answer A. If the tectonic plates continually move then they change earth’s crust constantly.
Answer: Implantation
Explanation:
The uterus is the main site for the implantation of the embryo. It is the place where the embryo spends 9 months in the mother.
When the male and female gamete combine they form a zygote. It gets implanted in the uterus and then there is cell division and the development of embryo takes place there only.
Any abnormalities in this region will interfere in the process of implantation.
