Define Me
animals that do not have backbones.
What is an invertebrate
simplest invertebrates, live in water, filter food from the water that surrounds them.
Arthropods
Every mollusk has..
wings
legs
pore
mantle
mantle
What invertebrate has bilateral symmetry?
C
live attached to one spot and do not move from place to place
What is sessile
live in water, central opening surrounded by tentacles, take food in and eliminate waste through this opening.
What are Cnidarians?
What invertebrates can only live in water?
What group of invertebrates is the largest?
arthropods
Which invertebrate has no symmetry
A
an immature form - an early stage - of an organism that is different from the parents.
soft, tube-shaped bodies and a distinct head
What is a worm
A sponge is
Sessile
mobile
unicellular
symmetric
sessile
Every arthropod has this
exoskeleton
Is organism C a
segmented worm
roundworm
flatworm
segmented
a strong outer covering made of material called chitin
exoskeleton
have a muscular foot, some live on land others live in water
What are mollusks
What is one adaptation of a Cnidarian?
mantle
tentacles
molting
metamorphosis
tentacles
Most arthropods are...
insects
How do organism A's pores help it obtain food?
shedding of an exoskeleton as it grows
What is molting
water animals that have a central opening for taking in food.
What are echinoderms
A trait of a worm is that they
take in oxygen through their skin
move with cilia
shed their exoskeleton
have radial symmetry
take in oxygen through their skin
what invertebrate has radial symmetry?
A B or C
B
Which of these organisms has complex body systems?
C