Families I think, pretty sure
Answer:
Something that indicates or fixes a limit or extent. Those two trees mark the boundary of our property. The mountain range that forms the country's northern boundary.
Explanation:
It is one of these meanings because I don't know what type of boundary you mean.
Huge or maybe large, not really sure
It said they were speechless. It also said that it looks big enough to eat the dog. It never once implies that the fish is scary or monstorous.
Answer:
Mechanical isolation
Explanation:
mechanical isolation is a form of prezygotic reproductive barrier, whereby similar species organisms become isolated and unable to successfully interbreed with each other to form zygote, as a result of incompatibility of their reproductive organ or structure, which prevents them from copulating. As a result of this, both species become separated as there is no gene flow between both.
The two species of juniper can be said to be kept separate by <em>mechanical isolation</em>, due to the differences and incompatibility of their reproductive structure.
