Humans have 23 pairs of chromosomes, for a total of 46 chromosomes. In fact, each species of plants and animals has a set number of chromosomes. A fruit fly, for example, has four pairs of chromosomes, while a rice plant has 12 and a dog, 39. Top of page.
The germination time for grass seed ranges from 5 to 30 days depending on the variety. It can be even longer than this in cooler temperatures. This is how long it will take to actually see the grass growing. Until this point, the seed, or the soil and mulch in contact with the seed, must stay moist.
Comments. Submit. The length of time it takes for a flower to sprout varies on the plant. Most flower seeds have a germination period of 2 to 3 weeks, after which the flower will begin to sprout and push through the soil.Keywords: flower seed, planting seeds, germination of flowers.omments. Submit. The length of time it takes for a flower to sprout varies on the plant. Most flower seeds have a germination period of 2 to 3 weeks, after which the flower will begin to sprout and push through the soil.