Animal Test: Lesson 3-4 Flashcards
Where do sponges mostly live?
In oceans, some live in freshwater lakes or rivers
What carries food, oxygen, to the sponge, take away waste, and help with reproduction
Water currents
What type of surfaces do sponges attach too?
Hard surfaces
What is the body structure of a sponge?
Assmmetrical
Invertebrates that have stinging cells and take food into a central body cavity
Cnidarians
Group of many individual animals
Colony
How does a sponge obtain oxygen?
Water passes over the cells
When speed from one sponge is released into the water and fertilizes the egg of a different sponge what is formed
Larva
What type of body structure does a Cnidarians have
Radial
A Cnidarians has a vase-shaped, what type of body plan is this?
Polyp
A bowl shaped cnidarian is called a
Medusa
How does Cnidarians obtain food?
Using stinging cells to make their prey helpless
Their are two ways Cnidarians move: why do they move these two ways?
To escape danger and to obtain food
What takes food from a host?
Parasite
What are worms that feed on dead or decaying material
Scavengers
Where do roundworms live?
Moist environments
What are worms that do not live in a host?
Free-living
What is the opening trough which wasted exits a worm
Anus
What worm has a long flat body
Flatworm
Which worm is long and round
Roundworm
Which worm is long, round body made up of linked segments
Segmented worm
Which worm is considered a parasite
Flatworms
Which worms are considered free-living
Roundworms flatworms
Which worm has a closed circulatory system?
Segmented worm
What is it when blood moves only inside connected network of tubes called blood vessels
Closed circulatory system
How do earthworms obtain oxygen
From moisture on its skin
