diy metazoa
Cards (38)
- kingdom animalia
- metazoa
- phylum under metazoa
- porifera
- cnidaria
- platyhelminthes
- annelida
- nematoda
- mollusca
- arthropoda
- echinodermata
- porifera
- sponges
- cnidaria
- anemone
- platyhelminthes
- flatworms
- annelida
- worms
- nematoda
- roundworms
- mollusca
- snail
- arthropoda
- spiders
- echinodermata
- starfish
- concept of classification
- body symmetry
- body symmetry
- radially symmetrical (non-bilateria)
- bilaterally symmetrical (bilateria)
- radially symmetrical (non-bilateria)
- 2 biradial
- 4 quadriradial
- 5 pentaradial
- mouth position
- oral- end
- aboral- top
- bilaterally symmetrical (bilateria)
- posses right, left, and midsagittal plane.
- cephalization in bilateria
- anterior end confronts environment
- developmental pattern
- embryogenesis
- fertilization
- egg and sperm
- zygote
- fertilized egg
- cleavage
- zygote dividing into number of cells (blastomeres)
- blastomeres
- forms an embryo
- blastulation
- fluid-filled hollow ball
- gastrulation
- invagination/ cells moving inward
- blastopore
- first opening
- endoderm
- invaginating layer
- archenteron
- surrounded by endoderm
- gut
- complete tube by gastrocoel
- germ tissue layers
- endoderm- innermost
- ectoderm- outer layer
- mesoderm- between/middle
- number of germ layers
- dipoblastic- 2 layers, non-bilateria, ectoderm and endoderm
- tripoblastic- 3 layers, bilateria, endo, meso, ecto.
- protostomes
- mouth forms blastopore
- echinodermata, mollusca, arthropoda, annelida
- coelomates
- deuterostomes
- mouth never develop blastopore
- forms from the second opening
- echinodermata
- acoelomate
- non coelomate
- blastocoelomate
- false coelomate
- coelomates
- real coelomates
- coelom
- fluid-filled internal body cavity
- coelom
- mesodermal in origin
- fluid-filled internal body cavity
- mesoderm
- surrounds the coelom
- concepts of classification in acoelomate
- absent cavity
- no cavity
- mesodermal fluid
- less developed