First thing is Male gametes are called sperm and Female gametes are called eggs. So some physical differences are that the eggs are spherical in shape, much larger then sperm, and are immobile (they stay in the female reproductive organ during fertilization). Sperm are smaller, are in a cone shape, and have tails so the could move to the egg during fertilization.
Answer from: Quest
They formed the oceans. as they melted water was formed and the water made the oceans
Answer from: Quest
you can have just about every answer you can think of
Which organisms have pharyngeal arches that develop from all three germ layers and go through the same development stages as embryos? 1.bird 2.ladybug 3.starfish 4.snake
The galapagos island contain 13 species of finches four of the species are seen here it is believed that all of the species had one common ancestor and overtime