Quiz
Unit 4 - Invertebrates
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1Which of the following is NOT a characteristic of invertebrates?
- AThey do not have a backbone
- BThey all have an internal skeleton
- CSome can have an exoskeleton
- DThey can live in both aquatic and terrestrial environments
2What is the main difference between vertebrates and invertebrates?
- AVertebrates have an internal skeleton, while invertebrates have no skeleton.
- BVertebrates have a backbone, while invertebrates do not.
- CInvertebrates are always smaller than vertebrates.
- DInvertebrates only live in aquatic environments.
3Which of the following is TRUE about invertebrates?
- AAll invertebrates have an external skeleton.
- BInvertebrates are only found in terrestrial environments.
- CSome invertebrates can secrete substances that form shells or spines.
- DAll invertebrates are microscopic.
4Which of the following is NOT a characteristic of invertebrates?
- AThey lack a backbone.
- BThey can be sessile or mobile.
- CThey are always smaller than vertebrates.
- DThey can live in both aquatic and terrestrial environments.
5What does “sessile” mean in relation to invertebrates?
- AThey move quickly from one place to another.
- BThey are microscopic in size.
- CThey live fixed in one place and do not move.
- DThey have an internal skeleton.
6Select the true sentences
- AAll invertebrates are microscopic
- BSome invertebrates have an internal or external skeleton
- CInvertebrates can only live in the ocean
- DSome invertebrates secrete substances that turn into shells or spines
7What is the main characteristic of sponges?
- AThey have bilateral symmetry.
- BThey are sessile and have holes or pores in their bodies.
- CThey have true tissues and organs.
- DThey are all terrestrial animals
8What does the internal skeleton of a sponge consist of?
- ARigid spines called spicules or flexible fibres called spongin
- BA hard exoskeleton.
- CA bony structure for protection
- DA gelatinous outer layer.
9How do sponges obtain food?
- AThrough ingestion
- BBy filtering food particles from the water
- CBy absorbing nutrients through their skin
- DBy eating small animals
10What type of symmetry do sponges typically have?
- ABilateral symmetry.
- BRadial symmetry.
- CAsymmetry.
- DPentaradial symmetry
11How do sponges reproduce?
- AOnly asexually through budding.
- BOnly sexually through fertilization.
- CBoth sexually and asexually through fragmentation.
- DBy producing spores.
12Select the false sentences
- ASponges have a nervous system.
- BSponges are mobile animals.
- CSponges use their pores to filter food particles from the water.
- DSponges have a complex digestive system.
- ESponges can reproduce sexually by producing larvae.
13Complete the text about sponges:
Sponges are [blank_start]sessile[blank_end] aquatic animals that mostly live in the sea. Their bodies are [blank_start]asymmetrical[blank_end] or have [blank_start]radial symmetry[blank_end]. They don’t have true [blank_start]tissues[blank_end] or organs.
They have bodies covered with [blank_start]holes[blank_end], or pores, that allow water to flow through them. This is where they get the name [blank_start]porifera[blank_end].
They have an [blank_start]internal[blank_end] skeleton that protects them.- Asessile
- Basymmetrical
- Cradial symmetry
- Dtissues
- Eholes
- Fporifera
- Ginternal
- Hexternal
14Complete the following image
- Aosculum
- Bcentral cavity
- Cspores
- Dspicule
15In sponges, water enters through the pores and exits through the osculum
- ARichtig
- BFalsch
16What type of symmetry do cnidarians have?
- ABilateral symmetry
- BAsymmetry
- CRadial symmetry
- DNo symmetry
17Which of the following is NOT a cnidarian?
- AJellyfish
- BHydra
- CCoral
- DStarfish
18What is the main difference between polyps and medusae?
- APolyps are sessile and sac-shaped, while medusae are umbrella-shaped and mobile.
- BMedusae have an internal skeleton, while polyps do not.
- CPolyps are only found in freshwater, while medusae live in the ocean.
- DMedusae reproduce asexually, while polyps reproduce sexually.
19How do cnidarians capture their prey?
- AThey use their sharp teeth.
- BThey have cnidoblast cells with tentacles that inject a paralyzing liquid.
- CThey swallow their prey whole.
- DThey produce digestive enzymes to dissolve their prey.
20What kind of skeleton do medusae have?
- AA bony skeleton
- BA hydrostatic skeleton
- CAn external skeleton made of minerals
- DNo skeleton at all
21What is alternation of generations in cnidarians?
- AThe ability to change between radial and bilateral symmetry.
- BA lifecycle where both polyp and medusa stages occur, with both asexual and sexual reproduction.
- CA reproduction process where cnidarians switch genders.
- DThe process where polyps form colonies.
22Select the false sentences
- ACnidarians are always found in terrestrial environments.
- BAll cnidarians are carnivores.
- CCnidarians have a complete digestive system with a separate mouth and anus.
- DMedusae mainly reproduce sexually, while polyps mainly reproduce asexually.
- ECnidarians have cnidoblasts, which help them catch prey by injecting a paralysing liquid.
23Cnidarians have a mouth surrounded by tentacles with stinging cells and a gastrovascular cavity
- ARichtig
- BFalsch
24Complete the following text:
Polyps are [blank_start]sessile[blank_end] and [blank_start]sac-shaped[blank_end]. Some have an internal skeleton formed by [blank_start]spicules[blank_end], while others have an external skeleton made of [blank_start]minerals[blank_end].
Sea anemones and freshwater hydras are polyps that grow [blank_start]individually[blank_end], whereas other polyps grow in [blank_start]colonies[blank_end] and form coral.
Medusae are [blank_start]umbrella-shaped[blank_end]. They have a [blank_start]hydrostatic[blank_end] skeleton, which means their flexible skeleton is supported by water pressure instead of bones. Adult jellyfish are examples of cnidarians in the medusa form.
Both polyps and medusae have [blank_start]tentacles[blank_end] and a gastrovascular cavity. This cavity has a [blank_start]single[blank_end] hole that functions as both the mouth and the anus.- Asessile
- Bsac-shaped
- Cumbrella-shaped
- Dtentacles
- Esingle
- Fdouble
- Gspicules
- Hminerals
- Iindividually
- Jcolonies
- Khydrostatic
25Medusae mostly reproduce sexually, but polyps normally reproduce asexually through a budding process.
- ARichtig
- BFalsch
26Cnidarians are filter feeders and porifera are carnivores
- ARichtig
- BFalsch
27Which of the following is NOT a characteristic of platyhelminthes, nematodes, and annelids?
- AThey have bilateral symmetry.
- BThey tend to live in humid environments.
- CThey have articulated appendages such as legs or antennae.
- DThey lack articulated appendages.
28What does cephalisation mean in platyhelminthes?
- AThe presence of a complete digestive system.
- BThe differentiation between the front (head) and posterior part of the body.
- CThe ability to live in dry environments.
- DThe presence of segmented bodies.
29Which of the following is a type of platyhelminth?
- AEarthworm
- BTapeworm
- CRoundworm
- DCoral
30What is the shape of platyhelminthes’ bodies?
- ASegmented, cylindrical and long
- BLong, flat and segmented
- CSpherical
- DRadially symmetrical
31Platyhelminthes, nematodes, and annelids all have bilateral symmetry.
- ARichtig
- BFalsch
32Tapeworms and planarians are types of annelids.
- ARichtig
- BFalsch
33Select tapeworm (T) or planarians (P):
1. They don't have a mouth, instead they absorb nutrients from the animal's intestine directly through their skin: [blank_start]T[blank_end]
2. They have eye spots that can detect changes in the intensity of light: [blank_start]P[blank_end]
3. Their digestive cavity has only one orifice in the middle of their underside. It functions as both the mouth and anus: [blank_start]P[blank_end]
4. They're hermaphrodite and they can selffertilise: [blank_start]T[blank_end]
5. Some have hooks or suckers to anchor themselves to the host. They can't perceive light: [blank_start]T[blank_end]
6. There are sexual and asexual: [blank_start]P[blank_end]- AT
- BP
- CP
- DT
- EP
- FT
- GT
- HP
- IT
- JP
- KP
- LT
34Tapeworms are parasites that live in the intestines and Planarians are organisms that are free-living.
- ARichtig
- BFalsch
35Which of the following is true about nematodes?
- AThey have segmented bodies.
- BThey possess a stomach for digestion.
- CThey are roundworms that do not have segmented bodies.
- DThey have articulated appendages such as legs
36What do parasitic nematodes primarily feed on?
- APlant material.
- BSoil minerals.
- CThe blood or other liquids of the host.
- DAlgae
37How do nematodes reproduce?
- AAsexually only by fragmentation.
- BSexually, with females laying eggs inside the host.
- CBy budding.
- DBy forming spores.
38Which of the following correctly describes annelids?
- AThey have non-segmented, spherical bodies.
- BThey have cylindrical bodies divided into segments called metameres.
- CThey do not have a digestive tube.
- DThey only live in terrestrial environments.
39What have annelids in their movement?
- ATheir segmented bodies alone.
- BHard hairs on their skin called setae.
- CTheir gills.
- DTheir external skeletons.
40Nematodes have a stomach where food is digested.
- ARichtig
- BFalsch
41Annelids have cylindrical bodies that are divided into segments called metameres
- ARichtig
- BFalsch
42What is a characteristic feature of molluscs?
- AThey all have an external shell.
- BThey have a soft body and bilateral symmetry.
- CThey reproduce asexually.
- DThey only live in aquatic environments.
43What is the function of the radula in molluscs?
- AIt helps them breathe
- BIt is used for movement.
- CIt grinds food into smaller pieces.
- DIt protects the mollusc from predators
44Which of the following is TRUE about molluscs?
- AThey have an incomplete digestive system.
- BThey use their muscular foot for movement.
- CAll molluscs are hermaphrodites
- DLand molluscs breathe using gills.
45How do land molluscs breathe?
- AThrough their skin.
- BUsing a lung-like cavity
- CThrough gills.
- DThey do not need oxygen
46How do molluscs reproduce?
- AAsexually by budding
- BSexually, and they are oviparous.
- CBy fragmentation
- DBy producing spores.
47All molluscs have an external shell
- ARichtig
- BFalsch
48Molluscs have a complete digestive system that includes a mouth, oesophagus, stomach, and anus.
- ARichtig
- BFalsch
49The radula is used by molluscs for movement.
- ARichtig
- BFalsch
50What is a key characteristic of bivalves?
- AThey have a radula for grinding food
- BThey have two external shells or valves
- CThey use a siphon for movement.
- DThey have tentacles for capturing prey.
51How do bivalves feed?
- AThey hunt and capture prey.
- BThey use a radula to scrape food
- CThey filter-feed using their gills
- DThey use tentacles to grab food
52Which of the following is TRUE about gastropods?
- AAll gastropods have a spiral shell
- BThey have a head with a mouth and four tentacles.
- COnly terrestrial gastropods use gills for breathing
- DThey move using their tentacles
53How do cephalopods move?
- ABy secreting mucus from their foot.
- BBy expelling water out
- CBy digging into the seabed
- DBy using their external shell for propulsion
54Select the true sentences
- ABivalves have a well-developed head and sensory organs
- BGastropods can be herbivores, and their terrestrial species breathe using lungs.
- CCephalopods have an internal shell, except for octopuses
- DAll gastropods have a spiral shell.
- ECephalopods are filter feeders like bivalves
55Complete each molluscs wiith its group:
- [blank_start]Bivalves[blank_end] are aquatic molluscs that have two external shells or valves.
- [blank_start]Gastropods[blank_end] are mostly aquatic animals, which have an external shell that is in the form of a spiral.
- [blank_start]Cephalopods[blank_end] are marine animals which have tentacles attached to their heads.- ABivalves
- BGastropods
- CCephalopods
56What type of body symmetry do arthropods have?
- ARadial symmetry
- BAsymmetry
- CBilateral symmetry
- DSpiral symmetry
57What is the process called when arthropods shed their exoskeleton to grow?
- AMetamorphosis
- BRegeneration
- CMoulting (ecdysis)
- DBudding
58What structure do arthropods use to breathe?
- ALungs only
- BGills only
- CTrachea, lungs, or gills depending on the species
- DSpiracles only
59Which of the following statements about arthropod reproduction is TRUE?
- AAll arthropods are oviparous
- BArthropods reproduce asexually
- CFertilization in arthropods occurs externally
- DArthropods reproduce sexually and usually have internal fertilization
60Select the true sentences
- AAll arthropods have a segmented body with a head, thorax, and abdomen.
- BMoulting allows arthropods to grow by shedding their old exoskeleton.
- CAll arthropods use gills to breathe
- DArthropods have a complete digestive system.
- EThe change from larva to adult is called metamorphosis.
- FThey have a nervous system and sense organs
61What is the main criterion for classifying arthropods?
- AThe color of their exoskeleton
- BThe number of appendages and body segments
- CThe size of their eyes
- DThe type of food they eat
62Which arthropod group has two body sections and many legged segments?
- AInsects
- BArachnids
- CMyriapods
- DCrustaceans
63Which of the following is TRUE about arachnids?
- AThey have three pairs of legs.
- BThey have two body sections: cephalothorax and abdomen.
- CThey always have wings.
- DThey breathe only through gills.
64Which arthropod group includes lobsters, crabs, and prawns?
- AInsects
- BMyriapods
- CArachnids
- DCrustaceans
65Which characteristic is unique to insects?
- AThey have two pairs of antennae.
- BThey have three body sections: head, thorax, and abdomen.
- CThey breathe through gills.
- DThey all have four pairs of legs.
66Myriapods have a cephalothorax and abdomen.
- ARichtig
- BFalsch
67Arachnids have four pairs of legs and no antennae.
- ARichtig
- BFalsch
68Crustaceans always have three pairs of legs and a tracheal system.
- ARichtig
- BFalsch
69Identify the group of arthropods that has each of
the characteristics below and give an example.
a . Has three pairs of legs and two pairs of wings: [blank_start]insects[blank_end]
b . Has an abdomen and a cephalothorax with
eight legs: [blank_start]arachnids[blank_end]
c . Has many pairs of legs, each pair attached to a
different segment of the body: [blank_start]myriapods[blank_end]
d . Has five pairs of legs and appendages on their
abdomens that they use to move: [blank_start]crustaceans[blank_end]- Ainsects
- Barachnids
- Cmyriapods
- Dcrustaceans
70Where do echinoderms live?
- AFreshwater
- Bland
- Csea
- DUnderground
71What is the function of the ambulacral system in echinoderms?
- AIt acts as their nervous system
- BIt circulates water through their body
- CIt helps them digest food.
- DIt protects them from predators
72Which of the following is TRUE about echinoderms?
- AThey all have bilateral symmetry.
- BThey grow a new skeleton each time they molt.
- CThey use tube feet for movement
- DThey only reproduce asexually.
73What type of symmetry do most echinoderms have?
- ABilateral
- BRadial
- CAsymmetrical
- DSpiral
74Select the false sentences
- AEchinoderms have a mesodermal skeleton made of hard plates of calcium carbonate and spines
- BAll echinoderms have bilateral symmetry.
- CEchinoderms use their ambulacral system to circulate water inside their bodies.
- DAll echinoderms are carnivores.
- EStarfish can regenerate missing body parts.
75Complete the following sentences about echinoderms:
- Echinoderms mostly reproduce [blank_start]sexually[blank_end] using [blank_start]external fertilization[blank_end], but some can also reproduce [blank_start]asexually[blank_end] through fragmentation.
- Echinoderms are [blank_start]aquatic[blank_end] invertebrates that live in the [blank_start]sea[blank_end].
- Echinoderms use their [blank_start]tube feet[blank_end] to move. These act as suction cups by changing the [blank_start]pressure[blank_end] of water inside them.- Asexually
- Bexternal fertilization
- Casexually
- Daquatic
- Esea
- Ffreshwater lakes
- Gtube feet
- Hpressure
76Match each word with its definition:
- [blank_start]exoskeleton[blank_end]: hard, outer layer of some animals that protects the body.
- [blank_start]sessile[blank_end]: fixed to one place and doesn't move.
- [blank_start]fragmentation[blank_end]: part of the organism breaks apart from its parent and grows into a separate genetically identical individual.
- [blank_start]gastrovascular[blank_end]: digestive cavity found in cnidarians.
- [blank_start]regenerate[blank_end]: grow back after being lost or damaged
- [blank_start]host[blank_end]: animal or plant that a parasite lives in or on.
- [blank_start]detritivorous[blank_end]: animal that feeds on decomposing organic matter.
- [blank_start]circulate[blank_end]: move a liquid or gas around a place or system.- Aexoskeleton
- Bfragmentation
- Csessile
- Dgastrovascular
- Eregenerate
- Fhost
- Gdetritivorous
- Hcirculate
Informationen
- Beschreibung
- 1º de ESO Ciencias de la Naturaleza Quiz am Unit 4 - Invertebrates, erstellt von esteban jr am 06/02/2025.
- Autor
- esteban jr
- Sprache
- Español
- Aufrufe
- 11
- Schlagwörter
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