Animals Mastery Test Review
28 Questions
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Animals Mastery Test Review

Created by
@NiftySard6198

Questions and Answers

In which class of animals is the biologist likely to place the young, four-legged animal?

reptile

What characteristic is an example of endoskeletons?

bones in mammals

What characteristic is an example of endoskeletons?

calcium-rich plates in echinoderms

Which three classes of animals practice internal fertilization?

<p>mammals, birds, reptiles</p> Signup and view all the answers

According to the phylogenetic tree, which two phyla are most closely related?

<p>Annelida &amp; arthropoda</p> Signup and view all the answers

What change must have occurred during the evolution from invertebrate chordates to vertebrate chordates?

<p>A backbone evolved to enclose the spinal cord, which develops from the dorsal nerve cord.</p> Signup and view all the answers

How do whales differ from fish?

<p>Whales use blowholes for breathing.</p> Signup and view all the answers

Which two characteristics are present in both a squid and a dolphin, but not present in a jellyfish?

<p>bilateral symmetry and a coelom</p> Signup and view all the answers

Why are mollusks and arthropods commonly used as model organisms?

<p>Mollusks and arthropods exhibit cephalization, while jellyfish and sponges do not.</p> Signup and view all the answers

What statement provides the strongest evidence to support the claim that birds evolved from dinosaurs?

<p>Fossils of the winged dinosaur Archaeopteryx show that it had modified scales that produced feathers.</p> Signup and view all the answers

What is a defining feature of mammals that is not present in most other vertebrates?

<p>Mammals can produce milk for their offspring.</p> Signup and view all the answers

Into which phylum should the researcher classify the asymmetrical ocean organism?

<p>Porifera</p> Signup and view all the answers

Although amphibians spend their early lives in water, they undergo _______ to develop ____, so that they can survive on land.

<p>metamorphosis; lungs</p> Signup and view all the answers

What type of symmetry does a starfish have?

<p>Radial</p> Signup and view all the answers

What type of symmetry does a human have?

<p>Bilateral</p> Signup and view all the answers

What type of symmetry does a butterfly have?

<p>Bilateral</p> Signup and view all the answers

What type of symmetry does a sea urchin have?

<p>Radial</p> Signup and view all the answers

Shrimp have which type of body cavity?

<p>Coelom</p> Signup and view all the answers

Fish have which type of body cavity?

<p>Coelom</p> Signup and view all the answers

Roundworms have which type of body cavity?

<p>Psuedocoelom</p> Signup and view all the answers

Identify the cavity that develops entirely from the mesoderm.

<p>Coelom</p> Signup and view all the answers

Match the parts of the fish that allow it to breathe underwater.

<p>gills</p> Signup and view all the answers

Match the parts of the fish that create balance and help with escape and predation.

<p>fin</p> Signup and view all the answers

Match the parts of the fish that protect the fish from the external environment.

<p>scales</p> Signup and view all the answers

All annelids and arthropods have a _____ body plan.

<p>segmented</p> Signup and view all the answers

Unlike annelids, arthropods also have an ____

<p>exoskeleton</p> Signup and view all the answers

The circulatory system of annelids is

<p>closed and includes blood vessels</p> Signup and view all the answers

The circulatory system of arthropods is

<p>open and uses hemocyanin</p> Signup and view all the answers

Study Notes

Classification of Animals

  • Young four-legged animal with lungs and scales is classified as a reptile.
  • Internal fertilization is a characteristic of mammals, birds, and reptiles.
  • Annelida and arthropoda are closely related phyla in the phylogenetic tree.
  • Whales possess blowholes for breathing, distinguishing them from fish.

Anatomy and Features

  • Endoskeleton examples include bones in mammals and calcium-rich plates in echinoderms.
  • Squid and dolphins share bilateral symmetry and a coelom, unlike jellyfish, which are radially symmetrical.
  • Mollusks and arthropods are model organisms due to cephalization, unlike sponges and jellyfish.
  • Fossils like Archaeopteryx provide evidence that birds evolved from dinosaurs through modified scales producing feathers.

Reproductive Adaptations

  • Mammals uniquely produce milk for their offspring, unlike most other vertebrates.
  • Amphibians undergo metamorphosis to develop lungs for terrestrial life.

Body Symmetry

  • Starfish and sea urchins display radial symmetry.
  • Humans and butterflies exhibit bilateral symmetry.

Body Cavities

  • Shrimp and fish possess a coelom, while roundworms have a pseudocoelom.
  • Coelom develops entirely from mesoderm tissue.

Fish Anatomy and Functions

  • Gills enable fish to breathe underwater.
  • Fins assist fish with balance, escape, and predation.
  • Scales offer protection from environmental hazards.

Habitat and Characteristics

  • All annelids and arthropods share a segmented body plan.
  • Arthropods are distinguished by their exoskeleton, which is absent in annelids.
  • Annelid circulatory systems are closed with blood vessels, while arthropods exhibit an open circulatory system with hemocyanin for oxygen transport.

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Description

Test your knowledge of animal classifications with this mastery review of key concepts in biology. The quiz includes questions about various animal classes and characteristics, focusing on reptiles and mammals. Perfect for students looking to solidify their understanding of animal anatomy and classification.

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