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Image result for Compare altricial organisms to precocial organisms.
In biology, precocial species are those in which the young are relatively mature and mobile from the moment of birth or hatching. The opposite developmental strategy is called altricial, where the young are born or hatched helpless. These categories form a continuum, without distinct gaps between them.
Explanation:
The predicate is "place all" because the predicate is the part of a sentance containing a verb
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Look that up on Google because I don't know. If you cannot find the answer still, try Firefox.
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I might edit this if you still can't find the answer.
One such situation in which compulsion might be implicit is if someone is in need or rescuing, since although they could be "forced" to be rescued, it can be assumed that they would want to be rescued anyway.