Phylum Arthropoda Test 2023 with complete solution
What are the 3 body parts an organism must have to be in Phlum Arthropoda?
A head, a thorax, and an abodomen
All organisms in Phylum Arthropoda have _______ kinds of parts.
different
Phylum Arthropoda organism have _________ bodies and __________ groupings.
segmented; distinct
These organisms have _________ appendages.
jointed
What kind of skeletons do these organisms have?
exoskeletons
What is an exoskeleton?
a hard skeleton on the outisde of the body
What makes the skeleton's so hard?
chitin
What is in chitin?
protein and lipids
Why are exoskeletons waterproof?
Because of the lipids in it
What is molting?
a shedding of the exoskeleton
When can predators get its prey easily?
When the prey is molting because the shell is soft
All of these organisms have a ______ circulatory system.
open
What is an open circulatory system?
where the bllod is not always in vessles and bathes the organs in blood
What are the crustaceans?
crawfish, crabs, lobsters, and shrimp
Crustaceans are mostly aquatic which means __________________.
They live in water most of the time
Crustaceans have _________ of appedanges for protection and feeding
specialization
What does Decapods mean?
ten legs
How many body regionds do Decapods have?
two
What do decapods have reinforced with their exoskeletons to make it harder?
calcium carbonate(limestone)
What do decapods have covering the cephlathorax to protect it?
a carapace
Where do most Terrestrial Arthropods live?
on land
What does the exoskeleton of terrestrial arthropods provide?
support and prevention of water loss
, What are the 3 main groups of Terrestrial Arthropods?
Arachnids, insects, myriapods
What are the arachnids?
scorpions, spiders, ticks, and mites
Arachnids have _____ body sections and ___ pairs of legs
2; 4
What are the 2 body parts of arachnids?
cephlathorax and abdomen
Arachnids have ___pairs of mouth parts
2
What are the 2 mouth parts of arachnids?
Chelicerae and pedipalps
What is chelicerae?
like fangs that inject poison into its prey and paralyzes it
What are pedipalps?
something that sucks out the juices
What are the 3 subgroups of Arachnids?
1- Spiders
2- Scorpoions
3-Mites and Ticks
__________ are hunters an weavers
Spiders
What is an example of a spider that is a hunter?
tarantula
What do weavers do?
They sit and wait for things to get stuck in its web, if nothing passes, then they don't eat
What do spiders produce to make webs?
silk
What is silk?
Spiders produce this to make webs and it is one of the strongest materials on earth
___________ are desert-dwellers.
scorpions
When do scorpions hunt?
at night because they are knockternal
Are scorpions poisonous?
some
When do scorpions attack?
If something has attacked it.
How big are mites and ticks?
microscopic
______ are parasites
Mites and ticks
_________ are more in number than all animals put together.
Insects
Insects have ______ body parts and ____ legs
3; 6
What are the 3 body parts an organism must have to be in Phlum Arthropoda?
A head, a thorax, and an abodomen
All organisms in Phylum Arthropoda have _______ kinds of parts.
different
Phylum Arthropoda organism have _________ bodies and __________ groupings.
segmented; distinct
These organisms have _________ appendages.
jointed
What kind of skeletons do these organisms have?
exoskeletons
What is an exoskeleton?
a hard skeleton on the outisde of the body
What makes the skeleton's so hard?
chitin
What is in chitin?
protein and lipids
Why are exoskeletons waterproof?
Because of the lipids in it
What is molting?
a shedding of the exoskeleton
When can predators get its prey easily?
When the prey is molting because the shell is soft
All of these organisms have a ______ circulatory system.
open
What is an open circulatory system?
where the bllod is not always in vessles and bathes the organs in blood
What are the crustaceans?
crawfish, crabs, lobsters, and shrimp
Crustaceans are mostly aquatic which means __________________.
They live in water most of the time
Crustaceans have _________ of appedanges for protection and feeding
specialization
What does Decapods mean?
ten legs
How many body regionds do Decapods have?
two
What do decapods have reinforced with their exoskeletons to make it harder?
calcium carbonate(limestone)
What do decapods have covering the cephlathorax to protect it?
a carapace
Where do most Terrestrial Arthropods live?
on land
What does the exoskeleton of terrestrial arthropods provide?
support and prevention of water loss
, What are the 3 main groups of Terrestrial Arthropods?
Arachnids, insects, myriapods
What are the arachnids?
scorpions, spiders, ticks, and mites
Arachnids have _____ body sections and ___ pairs of legs
2; 4
What are the 2 body parts of arachnids?
cephlathorax and abdomen
Arachnids have ___pairs of mouth parts
2
What are the 2 mouth parts of arachnids?
Chelicerae and pedipalps
What is chelicerae?
like fangs that inject poison into its prey and paralyzes it
What are pedipalps?
something that sucks out the juices
What are the 3 subgroups of Arachnids?
1- Spiders
2- Scorpoions
3-Mites and Ticks
__________ are hunters an weavers
Spiders
What is an example of a spider that is a hunter?
tarantula
What do weavers do?
They sit and wait for things to get stuck in its web, if nothing passes, then they don't eat
What do spiders produce to make webs?
silk
What is silk?
Spiders produce this to make webs and it is one of the strongest materials on earth
___________ are desert-dwellers.
scorpions
When do scorpions hunt?
at night because they are knockternal
Are scorpions poisonous?
some
When do scorpions attack?
If something has attacked it.
How big are mites and ticks?
microscopic
______ are parasites
Mites and ticks
_________ are more in number than all animals put together.
Insects
Insects have ______ body parts and ____ legs
3; 6
