Arthropods have ____ with jointed appendages.
The process of shedding the exoskeleton is called ____.
Which statement is correct based on this evolutionary tree?
|A)||Arthropods have no ancestral relation to annelids.|
|B)||Arthropods are not protostomes.|
|C)||Arthropods have body cavities.|
|D)||Arthropods have endoskeletons.|
What similarity do these two arthropods have?
Which statement is true regarding arthropod feeding adaptations?
|A)||Mandibles enable biting and chewing.|
|B)||They never utilized filter feeding.|
|C)||They lack a complete one-way digestive system.|
|D)||The exoskeleton produces digestive enzymes.|
What type of arthropod is this?
What modified mouthpart can spider inject poison with?
Silk structures made from protein on a spider's abdomen are called ____.
Which of these accurately describes how spiders feed on prey?
|A)||cannot digest nutrients internally|
|B)||secrete digestive enzymes onto prey|
|C)||spinning web is learned behavior|
|D)||digestion only occurs internally|
Which of these statements is not true of ticks?
|A)||They are crustaceans.|
|B)||They are parasites.|
|C)||They harbor disease-causing agents.|
|D)||They are arachnids.|
Insects are a type of ____.
What are the three primary body sections of this cricket?
|A)||compound eye, legs, wings|
|B)||legs, wings, mouthpart|
|C)||legs, antennae, wings|
|D)||head, thorax, abdomen|
Which of these accurately describes insect wings?
|A)||Wings have no veins.|
|B)||Wings are made of a double membrane of chitin.|
|C)||Wings are a different material than the exoskeleton.|
|D)||Veins make wings weaker.|
Siphoning, sponging, and piercing are functions of an insect's ____.
How are these types of metamorphoses different?
|A)||Complete metamorphosis produces no eggs.|
|B)||Incomplete metamorphosis has a pupa stage.|
|C)||Complete metamorphosis has a pupa stage.|
|D)||Incomplete metamorphosis has no immature stage.|