Sentence examples for fertilization by from inspiring English sources

The eggs of some species are released into the water before fertilization by the sperm; the eggs of others are fertilized within the female.

The baskets contain clean, fertile females that leave the nests and settle on the cactus to await fertilization by the males.

This astonishing total -- twice as high as any previous estimate -- reflects the growing use of in vitro fertilization by couples unable to conceive without reproductive assistance.

Analogues of the molecule are found in fish, perhaps to help facilitate the delicate business of fertilization, by inhibiting a fish's natural tendency to flee from other fish.

Once in the fallopian tubes, the secondary egg cell is suitable for fertilization by the male sperm cells.

However, when FSH and LH are suppressed, the chances of ovulation and therefore fertilization by a male sperm cell are significantly reduced.

Concentrating first on entomology, he studied the habits of the aphid and found that the female insect was able to reproduce without fertilization by the male.

(Usually it is fertilization by sperm that provides that signal).

Such sperm would preempt fertilization by competent sperm.

Additionally, we refined the processes for planting, harvesting and fertilization by introducing specific growth parameters.

The hemipenis is extremely variable in its overall appearance and structure; the cloaca of the female is often similarly constructed, which thus prevents cross-fertilization by males of related species.