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arthropods and echin
| Question | Answer |
|---|---|
| Give 4 examples of Arthropods | insects, crabs, centipedes, spiders Other examples: lobster, crayfish |
| Arthropods include animals such as ___, ___, ___ and ____ | insects, crabs, centipedes, spiders |
| What are the three main characteristics of an arthropod? | segmented bodies, tough exoskeletons, jointed appendages |
| What is chitin? | a complex carbohydrate that makes up the external exoskeleton of arthropods |
| The appendages of arthropods are ___ and ___ from the body wall | antenna and legs |
| What does molting enable arthropods to do? | it allows the arthropod to increase in size |
| Why is an arthropod vulnerable to predators during the molting period? | the new exoskeleton is still soft, they aren't as protected |
| Arthropods are classified based on the number and structure of their ___ and ___ | body segments and legs |
| How are arthropods classified? | by the number of their legs and body segments |
| What is chelicerate? | a group of organisms that have mouth parts called chelicerae and two body sections, most of them have 4 pairs of legs |
| What are several examples of chelicerate? | horseshoe crabs, spiders, ticks and scorpions |
| Insects are classified as ___. | Uniramia |
| The easiest way to tell whether an arthropod is an insect or a spider is to _____. | count the legs |
| What does the word arthropod mean? | jointed legs |
| What kind of skeleton do arthropods have? | exoskeleton |
| What type of bodies do arthropods have? | segmented |
| What is the exoskeleton made up of? | chitin |
| The respiratory organ in terrestrial chelicerates is the _____. | book lung |
| What is chelicerae? | the mouth parts of the chelicerate group of arthropods |
| What group of arthropods has a book lung? | the terrestrial chelicerate |
| What is a book lung? | a respiratory organ in terrestrial chelicerates |
| How do spiders feed | liquify their food before they swallow it |
| What are the three segments of the body of an insect? | head, thorax and abdomen |
| How many body segments does an insect have? | 3 |
| How an a fly immediately tell if a liquid lands on its suitable food? | they have receptors for taste and smell on their legs |
| How does a fly taste and smell? | they have receptors on their legs |
| Where are the receptors for taste and smell located on a fly? | its legs |
| What kind of eyes do insects have? | compound eyes |
| How does an insect detect movement? | with compound eyes and sensory hairs |
| What can sensory hairs detect? | movement |
| What are the stages of complete metamorphosis? | eggs, larva, pupa, adult |
| What is a difference between a nymph and a larva? | A nymph looks just like the adult but smaller and a larva is completely different |
| How are complete and incomplete metamorphosis different? | In complete metamorphosis, it has to go through the pupa stage where the larva changes into the adult. In incomplete metamorphosis, the nymph is just a smaller version of the adult |
| In most ant societies, egg-laying is performed by one ______. | queen |
| How do spiders feed? | sucking up tissues of their prey after they liquify it |
| What do honeybees use dances to convey to one another? | where the food is |
| When the honeybee performs the waggle dance, the direction of the food is indicated by the ____ of the ____. | direction of the dance |
| In Echinoderms, body parts usually occur in multiples of | 5 |
| In most species of echinoderms, respiration occurs mainly in the ___ ____ | tube feet |
| what is one function of the tube feet in echinoderms | It is the site of respiration |
| The water vascular system of the echinoderms is involved in what body functions? | circulation, digestion and excretion |
| What body functions use the water vascular system of echinoderms? | circulation, digestion and excretion |
| One of the common features of arthropods is a tough _____ | exoskeleton |
| The process in which an arthropod sheds its exoskeleton and manufactures a larger one is called _____ | molting |
| What is molting? | the process of shedding the exoskeleton and growing a new one |
| Who is your favorite aunt? | Aunt Susan |
| The three major groups of arthropods are: | crustaceans, spiders and their relatives, insects |
| What are you going to make on this test? | An A!!!!! |
| In a crayfish, the carapace is the part of the skeleton that covers the ______ | cephalathorax |
| What animal has a carapace? | a crayfish |
| What is the carapace part of? | the skeleton |
| What covers the cephalothorax in a crayfish? | the carapace |
| An adult starfish has _____ symmetry | radial |
| What is radial symmetry? | where the parts of an organism are arranged around a central disk - they "radiate" out from the center (like a sun) |
Created by:
iteach7th