Sentence examples for when they breed from inspiring English sources

Their young will tend to be even better-suited to the environment and will thrive, and when they breed, their descendants will in turn continue on this trend of greater adaptation and better success in breeding, leading to yet improved offspring.

Except for the moments when they breed, they don't spend time together.

They say the hornets, which can grow up to 2 inches long, are most active in September and October, when they breed and migrate.

Hence when they breed within their own species, individuals do share some significant level of relatedness with their sexual partner compared with that of an individual of another species.

Although the heritability estimates of CM and high SCC are generally low [ 43], selection experiments have shown that CM cases can be reduced when farmers breed for mastitis resistance while CM frequency increased when they breed for increased protein yield [ 44].

Another possibility to consider is that chromosomal rearrangements could be selected for as secondary saeptation steps, i.e. simply because they would reduce fertility of a saeptated group when they breed with the ancestral group, even if it would initially also involve some reduced fertility with the rest of that founder group.

The theory states that unusual genes that can cause allergies were passed on to early humans when they bred with Neanderthals and Denisovans, a separate species of early hominid who lived in Asia, after humans migrated out of Africa.

The researchers found that when they bred mice to have a selective deficiency in these special cells, the mice began to display a startling amount of itching behaviour, even removing tufts of hair in their vigorous efforts.

When they bred mice without Foxc1 in their skin, the activated stem cells didn't go back into the dormant, or quiescent, state.

They are mostly black and there are racists about, but they keep their cool, even when told they breed like rabbits and will cause blood on the streets one day if they're not wiped out first.

Breeding records (which cow/heifer was bred to which bull, when they were bred, which females turned up open after breeding season, etc).