PCC Biology Mr. Reid Quiz 4 (Arthropods - Invertebrates) Exam with Correct Answers Questions and Correct Answers

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PCC Biology Mr. Reid Quiz 4 (Arthropods -
Invertebrates) Exam with Correct Answers
Questions and Correct Answers
Characteristics of phylum arthropoda Ans: -jointed leg
-jointed exoskeleton
Examples of organisms in phylum arthropoda Ans: -crabs
-lobsters
-insects
-Trilobites
What organism has the most complex eye? Ans: trilobite
What phylum does the trilobite belong to? Ans: Phylum
arthropoda
Body plan of phylum arthropoda Ans: · Head
· Thorax
· Abdomen
· Cephalothorax = head + thorax
· Compound eyes
· Antennae
What is a cephalothorax? Ans: head + thorax of organisms in
phylum arthropoda
What are the 3 main parts of an arthropod's body? Ans: 1. Head
2. Thorax
3. Abdomen
What are chelicerae? Ans: Pincers (phylum arthropoda)


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What is an example of a chelicerate? Ans: Horseshoe crab
What is an organism in the arthropod subgroup "chelicerates"?
Ans: horseshoe crab
Characteristics of horseshoe crabs Ans: - Chelicerates
-Have chelicerae (pincers)
-Blue blood (contains copper)
-1 or more pairs of eyes
-No antennae
Characteristics of arachnids Ans: -Phylum arthropoda
-4 pairs of walking legs
-Examples: spiders, scorpions, ticks, mites, harvestmen
Characteristics of spiders Ans: -Phylum arthropoda
-Arachnids
-Venom through fangs
-Webbing - tensile strength
-Some hunt prey (tarantula)
Characteristics of scorpions Ans: -Phylum arthropoda
-Arachnids
-Venom through tail stinger
-Hide in dark places
Characteristics of ticks Ans: -Phylum arthropoda
-Arachnids
-Vertebrate parasites - suck blood
-Many carry diseases causing bacteria (Lyme disease)
Characteristics of mites Ans: -Tiny

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