3.1 (Reproduction in Animals) (Sexual reproduction among different animal Phyla: part 4) Flashcards
How do poriferas sexually reproduce?
Sequential hermaphroditism
How do rotiferas sexually reproduce?
Being dioecious and dimorphic
How do mollusks sexually reproduce?
Others are dioecious while others are monoecious, uses both internal and external fertilization.
How do annelida sexually reproduce?
Most are monoecious, some are dioecious
How do arthropods sexually reproduce?
Dioecious
The terrestrial species use internal fertilization
Aquatic species use internal and external fertilization
How do platyhelminthes sexually reproduce?
Monoceious
How do chordates/vertebrates sexually reproduce?
Often dioecious
Terrestrial species use internal fertilization
Aquatic species use internal and external fertilization
How do cnidarias sexually reproduce?
Asexually produced medusae produce gametes that externally fuse and develop into a polyp
How do nematodas sexually reproduce?
Most are dioecious, some monoecious
How do echinoderms sexually reproduce?
True hermaphrodites, some are sequential hermaphrodites
What does being dioecious mean?
Having two reproductive organs in two separate organisms.
What does being monoecious mean?
Hermaphroditism/Having two reproductive organs in one organism.
What does being dimorphic mean?
Being a female 10x bigger than the male
What is sequential hermaphroditism?
The individual changes its sex at some point in its life
