Phylum Porifera
What are some examples of phylum porifera?
sycon, spongilla, hylonema, etc.
Where do they live, and what are some characteristics?
They live in Marine Environment, so they are aquatic. They are radial symmetry and either polyp or medusa.
what is the common name for platyhelminthes
flat worm
Whats their relationship with humans?
They can be used as bait to capture fish for humans to eat.
How do Roundworms (Aka Phylum Nedmatoda) Reproduce?
Sexually
What is the common name of phylum porifera?
sponges
Whats their Evolutionary history?
They evolved about 500 million years ago.
what are some examples of platyhelminthes
tape worm, liver fluke, fresh water flat worm
They reproduce sexually. True or false.
False, they reproduce Asexually and sexually.
How are Roundworms Shaped?
Tubular
What are 3 Characteristics of phylum porifera?
They have no organs
Their bodies are asymmetrical
Body shape are vase-like or sac-like.
Whats their relation with humans?
They can be found in recreational activities like scuba diving to look at corals.
what are the charictoristics of a platyhelminthus
they have a body cavity and have a body that is soft and unsegmented
How do they eat?
They eat by sucking blood from their prey or by just normally eating it.
When were nematodes first discovered?
1500 BC in Ancient Egypt
how do phylum porifera reproduce?
Sponges are able to reproduce both sexually using gametes and asexually by budding.
How do they eat?
Most use their cnidae and associated toxin to capture food, although none is known actually to pursue prey.
what is a platyhelminthes
dorsoventraly flattend body that exhibit bilateral symatry and are triploblastic with a three germ layer
Whats their evolutionary history?
They are the presence of well developed coelom.
What are 2 examples of Phylum Nematodas
Ascaridida and Enoplea
What are phylum porifera and how are they important to the enviroment.
phylum porifera are the lowest multicellular animals belonging to the kingdom Animalia. They are important because they add structure to areas in the deep sea, and they provide habitat/refugia to other animals.
They reproduce asexually and sexually. True or false.
True
is it related to humans
no
Where do they live, and what are some characteristics?
They live in oceanic waters, freshwater, and damp soils. Their bodies are composed of segments separated by internal partitions, and have a closed circulatory system.
TRUE OR FALSE a nematode can survive and thrive in a beer malt
True