Temperature sex at hatch. This could be a plant pot on its side, which is low cost but easily cleaned if it becomes soiled.

temperature sex at hatch


The female can be removed after spawning because the male may become aggressive towards her.

temperature sex at hatch

temperature sex at hatch

temperature sex at hatch

The young are born in the fall.

temperature sex at hatch

temperature sex at hatch

temperature sex at hatch

Bortolotti, J.

temperature sex at hatch

temperature sex at hatch

temperature sex at hatch

Snakes never close their eyes, since they have no eyelids.

temperature sex at hatch

temperature sex at hatch

temperature sex at hatch

Avian eggs are excellent model systems to examine maternal allocation of energy translated through egg size variation.

temperature sex at hatch

temperature sex at hatch

temperature sex at hatch

If not, the snakes might emerge too early in spring only to become sluggish and vulnerable should the weather again turn cold.

temperature sex at hatch

temperature sex at hatch

temperature sex at hatch

After correcting for body size, testis volume was lowest for birds age 1 and 2 years but did not vary with age for males 3 years old or more.

temperature sex at hatch





Prum, K.







No, it isn't.







There are four other sources that would produce organs that are perfectly matched to the recipient's DNA.







The bright yellow cross-bands that juvenile alligators sport against a black background provide effective camouflage.







Definitely not!