science - modes of reproductive animals

Cards (16)

  • budding is a method for asexual reproduction where a new organism produces an outgrowth from the parent body, known as bud.
  • budding can also be seen in hydra
  • regeneration is the ability of an organism to regrow lost body parts.
  • planarians belong to the group of animals called flatworms
  • hermaphroditic refers to an organism that possesses both male and female reproductive organs, structures, or tissues.
  • starfish belong to the group of animals called spiny skinned animals
  • earthworm belongs to the group called segmented worms
  • parthenogenesis is a mode of reproduction usually found in females where the growth and development of embryos occur without fertilization by a male.
  • in sexual reproduction, two parent organisms are involved.
  • when the egg cell unites with the sperm cell, the process is called fertilization, and the new cell that is formed is called a zygote.
  • hermaphrodites is generally common among slowly-moving animals.
  • external fertilization are eggs that are fertilized outside the body of the female.
  • a few species of fish contain both sets of asexual organs in one individual, they are called hermaphrodites.
  • fish eggs are called spawn.
  • in some species of fish, several females deposit thousands of eggs in an area, and the male swims over them to release sperm. this process is called spawning.
  • in internal fertilization, it occurs within the body of the female.