invert part 1
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Questions and Answers

Which appendages in arachnids are responsible for web production?

  • Pectines
  • Chelicera
  • Pedipalps
  • Spinnarets (correct)

What is the function of the telson in scorpions?

  • Finding a mate
  • Web production
  • Detecting prey
  • Producing venom (correct)

How can the gender of spiders be determined accurately?

  • By measuring their size
  • By examining the excuvium under stereomicroscopy (correct)
  • By counting their legs
  • By observing their behavior

Which part of the spider's body contains the brain and nervous tissue?

<p>The prosoma (A)</p> Signup and view all the answers

What is the purpose of the tibial spurs in male tarantulas?

<p>To aid in mating (A)</p> Signup and view all the answers

What is the function of the perilymphatic space in the spider's body?

<p>To maintain haemolymphatic pressure (C)</p> Signup and view all the answers

What is the purpose of gender determination at a young age in tarantulas?

<p>To prevent inbreeding (D)</p> Signup and view all the answers

Which method is recommended for euthanasia of arachnids?

<p>Immersion in 70% alcohol (A)</p> Signup and view all the answers

What is the duration of anaesthesia after removal from the induction chamber?

<p>20 minutes (A)</p> Signup and view all the answers

What is used as an indicator of early stages of anaesthesia in arachnids?

<p>Loss of righting reflex (D)</p> Signup and view all the answers

Which action can be taken to effectively plug a leak in the spider's body?

<p>Using cyanoacrylate glues (C)</p> Signup and view all the answers

What is the voluntary action required for limb removal in spiders?

<p>Autotomy (C)</p> Signup and view all the answers

Which part of the spider's leg usually detaches easily during autotomy?

<p>Gracilis muscle (C)</p> Signup and view all the answers

What is the recommended treatment for dehydration in spiders?

<p>Placing the spider in a shallow dish of water (B)</p> Signup and view all the answers

Which of the following is NOT a potential cause of morbidity and mortality in captive invertebrates?

<p>Inadequate water temperature (A)</p> Signup and view all the answers

What is the recommended method for removing chlorine from tap water?

<p>Allowing the water to stand overnight (C)</p> Signup and view all the answers

Which of the following is true about the water requirements of desert-adapted species?

<p>They can efficiently conserve water (C)</p> Signup and view all the answers

What is the recommended method for presenting water to insects in captivity?

<p>Water droplets (B)</p> Signup and view all the answers

Which structure in the gastropod is responsible for rasping food?

<p>The teeth or radula (C)</p> Signup and view all the answers

Which type of infection is more serious and generally only seen after death?

<p>Fungal infections (D)</p> Signup and view all the answers

What is the function of the style sac in the stomach of herbivorous gastropods?

<p>To mix food in the stomach (B)</p> Signup and view all the answers

What temperature range is recommended for artificially incubating an egg sac to prevent fungal infection?

<p>25.5-28C (C)</p> Signup and view all the answers

Which is the main carrier of oxygen in gastropods?

<p>Haemocyanin (D)</p> Signup and view all the answers

Which family of nematodes is commonly reported in tarantulas and causes gradual lethargy?

<p>Pangrolaimidae (C)</p> Signup and view all the answers

Where do the kidneys or metanephridia of gastropods empty into?

<p>The palladial cavity (B)</p> Signup and view all the answers

Which type of mites are commonly found on the proximal leg joints of spiders?

<p>Prostigmata (B)</p> Signup and view all the answers

Which of the following is true about the basic structure of insects?

<p>Insects have a head, thorax, and abdomen with 3 pairs of legs attached to the thoracic segment. (B)</p> Signup and view all the answers

Which of the following is true about the reproductive organs of worker bees?

<p>Worker bees have atrophied reproductive organs. (A)</p> Signup and view all the answers

What is the function of the proventricular valve in nectar feeders?

<p>The proventricular valve regulates the flow of nectar into the crop or honey sac. (B)</p> Signup and view all the answers

What is the purpose of the periostracum in gastropods?

<p>The periostracum is the outer layer of the shell that provides protection. (C)</p> Signup and view all the answers

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