Often only two young survive to fledging (Sick 1993, Kushlan and Hancock 2005).
He named two Caesars in succession, his two young surviving cousins, Gallus in the East and Julian in Gaul.
However, these captive individuals failed to have any young survive, possibly due to a deficient diet or abnormal behavior in the adults (Hancock and Elliott 1978).
The female lays between 3,000 and 4,000 eggs; only a few of the young survive, however, because of their complicated and haphazard life history (hypermetamorphosis).
Most fishes lay numerous eggs, often simply scattering them over plants or in the open ocean, where they provide food for many organisms, only a few young surviving to adulthood.
The investigators suggest that higher altitudes are more physically demanding, so females stay faithful to keep mates around to provide fatherly aid that can help their young survive.
All of the repair mechanisms that are important in youth – the DNA editors, the heat shock proteins, the antioxidants – help the young survive until reproduction, and are therefore passed down to future generations.
And the "why" may have to do with parenting: Staying warmer may increase the amount of time the tegu can stay active, allowing it to do more to help its young survive. .
Their marriage produced nine children, five of whom died young; surviving into adulthood were daughters Margaret ("Maggie") and Ruby, and sons Stephen R., Jr. ("Buddy"), and Attila ("Attie").
