Invertebrates and vertebrates Flashcards Preview

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Flashcards in Invertebrates and vertebrates Deck (14)
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0
Q

Sponges

A

Pore animals that bring water and food and create waste
Live in water
They attach permanently to the surface as an adult
As an embryo they swim around
Have a skeleton made of spicules and spongin
Filter feeders

1
Q

Invertebrates

A

Organisms that have no backbone or skeleton

2
Q

Parts of a sponge:

A

Pores
Central cavity
Collar cells

3
Q

How do sponges pull water with the help of collar cells

A

Water travels through central cavity were food and waste are absorbed then it exits out of the top of the large holes

4
Q

Jellyfish

A

All have
tentacles
Stinging cells
1cavity -a gastrovascular cavity

8
Q

Organisms in this group include:

A

Jellyfish
Corals
Anemones
Hydras

9
Q

Cnidarians have

A

A round body shaped-radial symmetry

10
Q

Jellyfish facts

A

Have a hydrostatic skeleton
Their mouths are surrounded by tentacles
Have a few nerves and muscles
Have a nematocysts
Poison is forced out to paralyze or kill prey
Tentacles move the food into the mouth
Tentacles are not used to swim. Jellyfish drift or use a simple jet prolusion to move

11
Q

Echinoderm

A
All have:
Spiny skin 
Tube feet
Marine and breathe with skin gills
Can regenerate extensively 
Go through a metamorphosis and a swimming larval stage
12
Q

Mukluks

A

Have a soft body usually protected by a hard shell which is produced by an mantle
Some have no shells such as a squid and a octopus
Are an important to the food chain and are important economically
Have a radula
Have an muscular foot used for locomotion
They have tree groups:
1.gastropods

13
Q

There are 3 groups of mukluks

A

Gastropods
Cephalopods
Bivalves

14
Q

Arthropods’ characteristics

A

Have :
jointed appendages
A exoskeleton
Segmented bodies

15
Q

5 groups of mouth parts

A

Crustaceans,arachnids,centipedes,millipedes,and insects

16
Q

Crustaceans

A

Examples are shrimp,crabs,and,lobsters

They have 5 pairs of legs, with 2 antennae, and specialized legs for pinching ,spearing ,hammering,or cutting