Animals Flashcards
Which rank contains the largest number of
organisms?
a. Genus
b. Species
c. Class
d. Order
C: Class
The name “Tursiops truncatus” includes which of
the following ranks?
a. Genus and species
b. Kingdom and phylum
c. Class and order
d. Species and subspecies
a. Genus and species.
Here’s why:
Genus: “Tursiops” refers to the specific group of bottlenose dolphins. All bottlenose dolphins, regardless of specific region or variation, belong to the genus Tursiops.
Species: “truncatus” further narrows down within the genus Tursiops to the common bottlenose dolphin specifically. Other closely related bottlenose dolphins might have different species names within the same genus.
Which of the following is always true of two
organisms in the same taxonomic class?
a. They can breed with one another
b. They have certain physical features in common
c. They evolved at the same rate
d. They live in the same ecosystem
B. Specific physical characteristics is the most consistent and reliable indicator of organisms belonging to the same taxonomic class. These shared features often relate to body structure, anatomy, physiology, and other biological aspects.
How is the “domain” rank different from other
ranks?
a. It was created more recently
b. It has existed longer
c. It contains fewer organisms
d. It does not include animals
b. It has existed longer.
In contrast to archaebacteria, all eukaryotic
organisms:
a. Are multi-cellular
b. Reproduce sexually
c. Have cell nuclei
d. Breathe oxygen
c. Have cell nuclei
What is the binomial name of a killer whale
a. Killer whale
b. Felis catus
c. Orca whale
d. Orcinus orca
d. Orcinus orca: first word representing the genus (Orcinus) and the second word the species (orca).
All animals in phylum Chordata share which of the
following features?
a. Wings
b. Lungs
c. Spines
d. Legs
Post-anal tail. While other features you mentioned might be present in certain chordate groups, a post-anal tail is a universal characteristic shared by all members of this phylum.
Scientific names are usually given in classical
languages. Which of the following can you infer is a
true statement about classical languages?
a. They were spoken in the ancient world
b. They are only used within the scientific community
c. They were invented by Carolus Linnaeus
d. They are only used by scientists in the United States
and Europe
Of the options you listed, the statement closest to the truth about classical languages in relation to scientific names is:
a. They were spoken in the ancient world.
Place the following taxonomic ranks in order from
most specific to least specific. A) Order; B) Phylum; C)
Family
a. B, C, A
b. C, B, A
c. A, C, B
d. C, A, B
A) Order: This is the most specific rank, grouping closely related families with similar characteristics. For example, within the mammal class, the Carnivora order includes families like dogs (Canidae), cats (Felidae), and bears (Ursidae).
C) Family: This rank is less specific than order, containing multiple genera with shared traits. For instance, the Canidae family within the Carnivora order includes different genera of dogs like wolves, foxes, and jackals.
B) Phylum: This is the least specific rank among the three including classes like mammals, birds, reptiles, and fish.
Lions and housecats share some common
features, but can’t breed with one another. What can
you infer about how they’re classified?
a. They belong to the same family, but different genera
and species
b. They belong to the same order, but different phyla
c. They belong to the same domain, but different
kingdoms
d. They belong to the same species, but different
subspecies
a. They belong to the same family, but different genera and species.
What is the major difference between vertebrates
and invertebrates?
a. Invertebrates have bilateral symmetry; vertebrates
have radial symmetry.
b. Invertebrates have gills, vertebrates have lungs.
c. Invertebrates do not have spinal columns; vertebrates
do.
d. Invertebrates reproduce sexually; vertebrates
reproduce asexually.
c. Invertebrates do not have spinal columns; vertebrates do.
What type of body symmetry do human beings
have?
a. Radial symmetry
b. Bilateral symmetry
c. We are asymmetric
d. Quadrilateral symmetry
b. Bilateral symmetry
This means that if you drew a line down the center of our body, the left and right sides would be mirror images of each other. We have paired arms, legs, eyes, ears, nostrils, etc., arranged symmetrically on either side of this imaginary line.
- Where would you most likely find a parasitic
flatworm?
a. In the jungle
b. In the ocean
c. In the digestive system of another animal
d. In a temperate forest
c. In the digestive system of another animal
the majority of parasitic flatworms depend on a host for their survival. Finding them in a jungle, temperate forest, or even the open ocean without a host is much less likely.
What word most accurately describes roundworms?
a. Predatory
b. Sessile
c. Asymmetric
d. Common
Common: This is certainly true! Roundworms are incredibly diverse and abundant, found in various habitats, including soil, freshwater, marine environments, and even within other organisms as parasites. Their presence is widespread, making “common” a valid descriptor.
How do land mollusks like snails differ from water
mollusks like clams?
a. Land mollusks have shells; water mollusks do not
b. Land mollusks have lungs; water mollusks have gills
c. Land mollusks are hard-bodied; water mollusks are
soft-bodied
d. Land mollusks have tentacles; water mollusks do not
b. Land mollusks have lungs; water mollusks have gills.
