a fly produces 120 eggs at a time
about 200
About how many eggs does a female crab produce
The average ovular dump of a female fox is 2-4 eggs.
Each female daphnia can produce anywhere from 4-22 eggs per reproductive cycle depending on conditions.
I am not sure if they have genders, as many insects produce asexually (without intercourse), but if there are genders then the female will lay the eggs.
Only one!
they produce 1000's each time the lay eggs.
Note that the question was how many do they produce, not lay. All female mammals produce eggs (or ova). The human female, for example, produces approximately 400,000 ova, all of which are present in the ovaries at birth. I do not know how many ova the female possum produces, except to say that it is definitely greater than zero, or they would never be able to reproduce.
Do you mean "Why do fish lay so many eggs at one time? The reason fish lay so many eggs at one time is survival. The more eggs that a female lays the better chance more eggs will have a chance to survive.
Most tapeworms have both male and female reproductive organs to reproduce and fertilize there own eggs.
How many eggs a female butterfly lays can vary slightly by species. On average a female butterfly lays 100 eggs at one time.
Anywhere from 75 to 150 flies can hatch at one time. A female fly can hatch over 9000 eggs during her life.
It is because most of the eggs laid by the female mosquitoes do not hatch or develop to become mosquitoes.So they have to lay a lot of eggs in order to produce young ones via balance the Ecosystem.