Answer:
Cartilage
Explanation:
Cartilage helps join the bones together through parts so that the body can move, it also acts as a cushions so your bones do not rub against each other.
Answer;
Without the keystone species, the rocky inter-tidal ecosystem would be dramatically different or cease to exist altogether
Explanation;
Keystone species have low functional redundancy. This means that if the species were to disappear from the ecosystem, no other species would be able to fill its ecological niche.
For instance; the starfish Pisaster ochraceus is a keystone species in the rocky marine inter-tidal communities off the northwest coast of North America. It feeds on the mussel Mytilus californianus and is responsible for maintaining much of the local diversity of species within certain communities.
<span>The transport used when oxygen enters red blood cells is called oxygen transport. :)</span>
