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Worksheetsmammalian characteristics - C.A.
Total questions: 20
Worksheet time: 40mins
Which of the following does not describe a primary function of hair?
sensory device
movement
waterproofing
insulation
Animals that feed on both plants and other animals are called ____.
omnivores
insectivores
carnivores
herbivores
Which of the following is not a beneficial result of a highly developed cerebrum?
mother fox teaching young survival skills
squirrels' balance and coordination
mother tiger teaching young to hunt
mice remembering layout of habitat
What are two similarities of mammal and bird circulatory systems?
two-chambered heart; lack capillaries
four-chambered heart; blended oxygenated and deoxygenated blood
two-chambered heart; capillaries
four-chambered heart; separate oxygenated and deoxygenated blood
highly folded outer layer of the cerebrum; responsible for coordinating conscious activities, memory, and ability to learn
cerebral cortex
cerebellum
brain stem
None of the above
Diaphragm flattens as it contracts. This followed by
Chest cavity enlarges, Air flows into the lungs.
Chest cavity become smaller, Air flows into the lungs.
Chest cavity enlarges, Air flows out of the lungs.
Chest cavity become smaller, Air flows out of the lungs.
Using the three following examples; what is the correct sequence for the hair functions?
1- a fox’s fur traps body heat.
2- a white-tailed deer raises its tail to show the white underside for others to follow.
3- a seal uses its sensitive whiskers to track prey.
insulation – camouflage – sensory devices
insulation – defense– signaling
defense – camouflage – signaling
insulation - signaling - sensory devices
Which are the two distinctive characteristics shared by all mammals?
developed brain and mammary glands
mammary glands and hair
similar teeth and metabolism
specialized teeth and digestive system
Which trophic category includes humans?
carnivore
herbivore
insectivore
omnivore
If an ape suffered damage to its cerebellum, it would have difficulty performing which of the following tasks?
grasping small objects
identifying objects
learning new things
teaching its young
Which is the purpose of mammary glands?
They provide milk to nourish newly born mammal young.
They provide milk to nourish the developing mammal fetus.
They secrete fluids to stimulate milk production in mammal mothers.
They secrete fluids to stimulate the desire for milk in young mammals.
In mammals known as ruminants, grass is partially digested into a material called cud in the
first and second chamber of a four-chambered stomach.
first chamber of a three-chambered stomach.
third and fourth chamber of a four-chambered stomach.
third chamber of a three-chambered stomach.
Which of the following can biologists learn about mammals from studying their teeth?
defense behaviors of specific mammal species
habitats occupied by different mammal groups
possible diets of different groups of mammals
similarities between mammals and other vertebrates
Which defines the term keratin?
chemical in mammals that regulates their metabolic rates
gland that secrets fluids to stimulate the mammary glands
protein found in mammalian hair, nails, hooves, and claws
type of hair growing on the surface skin of most mammals
Which explains why a rabbit has a longer digestive system than a hedgehog of similar size?
More active mammals such as rabbits require a longer digestive system.
Plant materials eaten by herbivores take longer to digest than insects.
Rabbits have a higher metabolic rate, requiring more energy from foods.
The omnivorous diet of a hedgehog is easier to digest than plants.
Which body structure allows mammals to control body fluids and adapt to dry desert conditions?
intestines
kidneys
salivary glands
stomach
Which are the four types of mammalian teeth?
canines, incisors, grinding molars, cutting molars
canines, incisors, molars, premolars
fangs, canines, molars, premolars
fangs, incisors, grinding molars, cutting molars
Under what circumstances would blood vessels near the surface dilate and deliver more blood than usual?
when body temperature increases
when body temperature decreases
when there is too little oxygen in the blood
when blood vessels contract
Which structure provides food and oxygen and
removes wastes from developing young?
uterus
placenta
diaphragm
mammary glands
What does the picture on the right show? Choose all the correct answers.
exhalation caused by the diaphragm
inhalation caused by the diaphragm
intake of carbon dioxide
removing of carbon dioxide
