What is an Animal?
Symmetry
Sponges
Cnidarians
Worms
100
An animal that eats both plants and animals
What is an omnivore?
100
All complex bodies have either ___ or ___ symmetry
Radial or bilateral
100
Sponges were once mistaken as ___
Plants
100
Animals that have stinging cells and take their food into a hollow central cavity.
What is cnidarian?
100
The three major phyla worms are classified into
Flatworms, roundworms, and segmented worms
200
Animals that only eat other animals
What is carnivore?
200
The external body parts are equally spaced around a central point
What is radial symmetry?
200
Sponges have irregular shapes, meaning they have what type of symmetry?
None.
200
What are the two body plans cnidarians have?
polyp and medusa
200
Worms that obtain their food from their hosts
Flatworms--> Parasites
300
Animals that eat only plants
What is a herbivore?
300
Animals that divide into mirror images
What is bilateral symmetry?
300
The soft bodies of sponges are supported by a network of?
Spikes.
300
How do cnidarians capture their prey?
Stinging cells
300
Has a digestive system that is like a tube, open at both ends.
Roundworms
400
Animals three main needs from their environment
What is water, oxygen, and food.
400
Symmetry that can be an advantage to a predator?
Bilateral symmetry-- allows animals' body plan to have fast, purposeful movement.
400
Sponges reproduce in what way?
Asexually (budding) & Sexually (larva)
400
How do cnidarians reproduce?
Asexually and sexually
400
Have bodies made up of many linked sections called segments.
Segmented worms; example: earthworm
500
The absence of a backbone classifies an animal as
An invertebrate
500
How are radial and bilateral symmetry different?
Radial has many lines of symmetry. Bilateral has one line.
500
How do sponges feed?
Straining food particles from water
500
These structures are built by cnidarians
What are coral reefs
500
The ability of an organism to regrow body parts
What is regeneration?
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