Metamorphosis Quiz: Biological Process
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Questions and Answers
- 1.
Place a checkmark beside all of the classes that belong to the mollusk phyllum.
- A.
Arthropods
- B.
Cephalopods
- C.
Bivalves
- D.
Annelids
- E.
Gastropods
- F.
Crustaceans
- G.
Echinoderms
Correct Answer(s)
B. Cephalopods
C. Bivalves
E. GastropodsExplanation
The correct answer is cephalopods, bivalves, and gastropods. These three classes belong to the mollusk phylum. Cephalopods include squids, octopuses, and nautiluses. Bivalves include clams, mussels, and oysters. Gastropods include snails and slugs. Arthropods, annelids, crustaceans, and echinoderms do not belong to the mollusk phylum.Rate this question:
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- 2.
Simple worms have a body plan with
- A.
Asymmetric symmetry
- B.
Bilateral symmetry
- C.
Radial symmetry
Correct Answer
B. Bilateral symmetryExplanation
Bilateral symmetry is the correct answer because simple worms have a body plan that is symmetrical along a central axis, dividing the body into two equal halves. This allows for efficient movement and coordination of body parts. Asymmetric symmetry means there is no pattern or symmetry in the body plan, while radial symmetry refers to a body plan that is symmetrical around a central point, like a starfish. However, simple worms do not exhibit these types of symmetry.Rate this question:
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- 3.
A system where the blood is not in vessels, but spreads over the organs in some areas is called a(n)____system
- A.
Open circulatory
- B.
Closed circulatory
- C.
Water-vascular system
- D.
Fluid filled
Correct Answer
A. Open circulatoryExplanation
An open circulatory system is a system where the blood is not confined to vessels and instead spreads over the organs in certain areas. In this type of system, blood is pumped by a heart into open spaces called sinuses, where it bathes the organs and tissues directly. This allows for a slower and less efficient transport of nutrients and oxygen compared to a closed circulatory system, where blood is contained within vessels and flows more rapidly.Rate this question:
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- 4.
Mollusks are NOT classified according to
- A.
The kind of foot they have
- B.
The kind of shell they have
- C.
How they reproduce
- D.
Whether or not they have a shell
Correct Answer
C. How they reproduceExplanation
Mollusks are classified based on various characteristics such as the kind of foot they have, the kind of shell they have, and whether or not they have a shell. However, their classification does not depend on how they reproduce. Reproduction methods may vary among different mollusk species, but it is not a determining factor in their classification.Rate this question:
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- 5.
Gastropods have a ___, a tongue-like organ that works like a file,
- A.
Spiracle
- B.
Crop
- C.
Setea
- D.
Radula
Correct Answer
D. RadulaExplanation
The question is asking for the term that describes the tongue-like organ found in gastropods that functions like a file. The correct answer is "radula." The radula is a unique feeding organ found in mollusks, specifically gastropods, that is used to scrape and rasp food particles. It is made up of tiny teeth that help in the process of feeding and digestion. The other options, spiracle, crop, and setea, do not accurately describe the tongue-like organ found in gastropods.Rate this question:
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- 6.
Segmented worms have bristle-like structures called ___ which allow them to move
- A.
Setea
- B.
Radula
- C.
Tube feet
- D.
Gills
Correct Answer
A. SeteaExplanation
Segmented worms have bristle-like structures called setea which allow them to move. These setea are found in pairs on each segment of the worm's body and help in providing traction and stability while the worm is crawling or burrowing. The setea can be extended and retracted, allowing the worm to move forward or backward by anchoring itself to the ground or pushing against it. This adaptation enables segmented worms to navigate through various substrates and environments efficiently.Rate this question:
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- 7.
The blood of earthworms is contained in vessels, thus they have a(n)___ system.
- A.
Open circulatory
- B.
Closed circulatory
- C.
Fluid filled
- D.
Water vascular
Correct Answer
B. Closed circulatoryExplanation
Earthworms have a closed circulatory system because their blood is contained within vessels. In a closed circulatory system, blood flows through a network of vessels, allowing for more efficient transport of oxygen, nutrients, and waste products throughout the body. This is in contrast to an open circulatory system, where blood is not contained within vessels and instead bathes the tissues directly.Rate this question:
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- 8.
All arthropods DO NOT have
- A.
Nervous systems
- B.
Body cavity
- C.
Three body segments
- D.
Mouth and anus
Correct Answer
C. Three body segmentsExplanation
Arthropods are a diverse group of invertebrate animals that include insects, spiders, and crustaceans. They are characterized by having a segmented body, a tough exoskeleton, and jointed appendages. However, not all arthropods have three body segments. Some arthropods, such as insects, have three main body segments: the head, thorax, and abdomen. But others, like spiders, have only two body segments: the cephalothorax and the abdomen. Therefore, it is incorrect to say that all arthropods have three body segments.Rate this question:
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- 9.
A lightweight ___ covers, supports, and protects the arthropod's body with material that also keeps the body from drying up.
- A.
Exoskeleton
- B.
Mantle
- C.
Shell
- D.
Skin
Correct Answer
A. ExoskeletonExplanation
The correct answer is exoskeleton. An exoskeleton is a lightweight external covering that provides support and protection to an arthropod's body. It is made of a material that also helps prevent the body from drying up. This external skeleton acts as a barrier between the arthropod's soft tissues and the environment, allowing it to maintain its shape and integrity.Rate this question:
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- 10.
Unlike arthropods, arachnids have ___ legs.
- A.
4
- B.
6
- C.
8
- D.
10
Correct Answer
C. 8Explanation
Arachnids, which include spiders, scorpions, and ticks, have eight legs. This distinguishes them from arthropods, which is a larger group that includes insects, crustaceans, and other organisms that may have a different number of legs. Therefore, the correct answer is 8.Rate this question:
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- 11.
The largest group of complex invertebrates
- A.
Arachnids
- B.
Worms
- C.
Insects
- D.
Crustaceans
Correct Answer
C. InsectsExplanation
Insects are the largest group of complex invertebrates because they have the highest number of species and individuals compared to other groups. They are characterized by having a segmented body, three pairs of legs, and usually two pairs of wings. Insects are incredibly diverse and can be found in almost every habitat on Earth. They play important roles in various ecosystems as pollinators, decomposers, and as a food source for other animals. Their ability to adapt and thrive in different environments contributes to their dominance as the largest group of complex invertebrates.Rate this question:
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- 12.
Echinoderms all have what type of symmmetry (except during their larval stage)
- A.
Bilateral
- B.
Asymmetrical
- C.
Radial
- D.
Spherical
Correct Answer
C. RadialExplanation
Echinoderms, such as starfish and sea urchins, typically exhibit radial symmetry. This means that their body parts are arranged around a central axis, like the spokes of a wheel. However, during their larval stage, echinoderms may temporarily display bilateral symmetry, where their body can be divided into two mirror-image halves. This is a transitional phase before they develop their characteristic radial symmetry as adults.Rate this question:
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- 13.
Hard, thick, outer covering
- A.
Setea
- B.
Exoskeleton
- C.
Tube feet
- D.
Radula
Correct Answer
B. ExoskeletonExplanation
The correct answer is "exoskeleton." An exoskeleton is a hard, thick, outer covering found in many invertebrates such as insects, crustaceans, and arachnids. It provides support and protection for the animal's body, as well as serving as a site for muscle attachment. The exoskeleton is made of a tough substance called chitin, which is resistant to physical damage and helps prevent water loss. This structure allows these animals to have a rigid body shape and protects them from predators and environmental factors.Rate this question:
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- 14.
Changes some animals go through to become adults
- A.
Metamorphosis
- B.
Direct development
Correct Answer
A. MetamorphosisExplanation
Metamorphosis refers to the process of transformation that some animals undergo in order to become adults. It involves a series of distinct stages or forms, such as larvae or nymphs, before reaching the adult stage. This process is commonly observed in insects like butterflies and frogs, where they undergo significant physical and physiological changes. On the other hand, direct development refers to the absence of such drastic changes, where animals grow and develop gradually without undergoing distinct stages. Therefore, the correct answer for the given question is metamorphosis.Rate this question:
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- 15.
Appendages that act like suction cups
- A.
Crop
- B.
Radula
- C.
Setea
- D.
Tube feet
Correct Answer
D. Tube feetExplanation
Tube feet are appendages found in echinoderms, such as starfish and sea urchins, that act like suction cups. These small, finger-like structures are filled with fluid and can be extended or retracted to create suction, allowing the organism to attach to surfaces and move. Tube feet are used for various functions, including locomotion, feeding, and sensory perception. They are particularly important for the movement and attachment of echinoderms in their aquatic environments.Rate this question:
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- 16.
Place a checkmark on all of the stages involved in INCOMPLETE metamorphosis.
- A.
Egg
- B.
Larva
- C.
Pupa
- D.
Nymph
- E.
Adult
Correct Answer(s)
A. Egg
D. Nymph
E. AdultExplanation
The stages involved in incomplete metamorphosis are egg, nymph, and adult. In incomplete metamorphosis, the young insect, called a nymph, hatches from an egg and goes through several molts before reaching adulthood. The nymph resembles a smaller version of the adult and gradually develops wings and reproductive organs as it grows. Therefore, the correct stages for incomplete metamorphosis are egg, nymph, and adult.Rate this question:
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- 17.
Place a checkmark on all of the stages involved in COMPLETE metamorphosis.
- A.
Egg
- B.
Larva
- C.
Pupa
- D.
Nymph
- E.
Adult
Correct Answer(s)
A. Egg
B. Larva
C. Pupa
E. AdultExplanation
The stages involved in complete metamorphosis include the egg, larva, pupa, and adult. In complete metamorphosis, the organism goes through distinct stages with different body forms and structures. The egg hatches into a larva, which undergoes significant growth and development. The larva then enters the pupa stage, during which it undergoes a transformation into the adult form. Finally, the adult emerges from the pupa, typically with wings and reproductive capabilities. The inclusion of all these stages in the answer indicates a correct understanding of complete metamorphosis.Rate this question:
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Current Version
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Feb 13, 2024Quiz Edited by
ProProfs Editorial Team -
May 07, 2012Quiz Created by
Bmsscience
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