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MAMMALS

Endothermic Warm- Permits high level of activity at (regardless of outside temperature) Females have Function: About Ex: cats, dogs, humans,

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Page 1: Endothermic  Warm-  Permits high level of activity at (regardless of outside temperature)  Females have  Function:  About  Ex: cats, dogs, humans,

MAMMALS

Page 2: Endothermic  Warm-  Permits high level of activity at (regardless of outside temperature)  Females have  Function:  About  Ex: cats, dogs, humans,

EndothermicWarm-Permits high level of activity at

(regardless of outside temperature)

Females haveFunction:

About Ex: cats, dogs, humans, dolphins,

elephants, kangaroo, whale, bat, rabbit, beaver, wolf, seal,

GENERAL CHARACTERISTICS

Page 3: Endothermic  Warm-  Permits high level of activity at (regardless of outside temperature)  Females have  Function:  About  Ex: cats, dogs, humans,

High Body

In some, hair is reduced in size – All have an integument

Contains: sweat,

GENERAL CHARACTERISTICS

Page 4: Endothermic  Warm-  Permits high level of activity at (regardless of outside temperature)  Females have  Function:  About  Ex: cats, dogs, humans,

Breathe Excrete Separate Young (made

by the mammary glands) Many

These are areas from which individuals of the

Will often resort to

GENERAL CHARACTERISTICS

Page 5: Endothermic  Warm-  Permits high level of activity at (regardless of outside temperature)  Females have  Function:  About  Ex: cats, dogs, humans,

Rodents Ex: mice, squirrels, Have two razor

Lagomorpha Ex: rabbits, All

Hominids Ex: humans, gorilla,

Insectivora Ex:Diet

CLASSIFICATION

Page 6: Endothermic  Warm-  Permits high level of activity at (regardless of outside temperature)  Females have  Function:  About  Ex: cats, dogs, humans,

Carnivora Ex: weasels, seals, walruses, dogs,

HighlyContain teeth

Proboscidea Ex:Largest of

CLASSIFICATION

Page 7: Endothermic  Warm-  Permits high level of activity at (regardless of outside temperature)  Females have  Function:  About  Ex: cats, dogs, humans,

Perissodactyla Ex: horses, donkeys, Often referred to as

Cetacea Ex: dolphins, Limbs are modifiedLive in

CLASSIFICATION

Page 8: Endothermic  Warm-  Permits high level of activity at (regardless of outside temperature)  Females have  Function:  About  Ex: cats, dogs, humans,

Skeleton Skeletal/bone make-up allows for:

High- Swimming climbing Movement of digits (fingers/toes) to

Joints allow for

MOVEMENT AND RESPONSE

Page 9: Endothermic  Warm-  Permits high level of activity at (regardless of outside temperature)  Females have  Function:  About  Ex: cats, dogs, humans,

Hair:HasPurpose of hair:

Spines of porcupines—Hair of most animals—Vibrissae (whiskers)—

Slightest movement indicates

MOVEMENT AND RESPONSE

Page 10: Endothermic  Warm-  Permits high level of activity at (regardless of outside temperature)  Females have  Function:  About  Ex: cats, dogs, humans,

Moveable Fleshy Well-developed

The largest brain inCerebrum - High evolved brain allows for highly

developed memory and capacity to

MOVEMENT AND RESPONSE

Page 11: Endothermic  Warm-  Permits high level of activity at (regardless of outside temperature)  Females have  Function:  About  Ex: cats, dogs, humans,

Highly elaborateProvide mammals with a high level of

Senses: taste, smell, Most haveManyMany will use

Ex:

MOVEMENT AND RESPONSE

Page 12: Endothermic  Warm-  Permits high level of activity at (regardless of outside temperature)  Females have  Function:  About  Ex: cats, dogs, humans,

TeethMammalian teeth are both

Mammals are

Specialized for variety of functions: Includes: grind, stab, scissor,

DIGESTION AND EATING

Page 13: Endothermic  Warm-  Permits high level of activity at (regardless of outside temperature)  Females have  Function:  About  Ex: cats, dogs, humans,

Teeth, cont.Teeth in mammals come in

Incisors, Not all

Use this variety to eatMost placental mammals have between

20 and 40 teeth, while most

As a general rule animals that feed on insects have more teeth than

DIGESTION AND EATING

Page 14: Endothermic  Warm-  Permits high level of activity at (regardless of outside temperature)  Females have  Function:  About  Ex: cats, dogs, humans,

Contain aSeparates air passageway

Allows mammals to hold (and partially break down food) in

DIGESTION AND EATING

Page 15: Endothermic  Warm-  Permits high level of activity at (regardless of outside temperature)  Females have  Function:  About  Ex: cats, dogs, humans,

Have many Insectivores areHerbivores have

Groups: Have large molars

Carnivores have Adapted for

Other adaptations:Ruminants (cattle, bison, goats)

DIGESTION AND EATING

Page 16: Endothermic  Warm-  Permits high level of activity at (regardless of outside temperature)  Females have  Function:  About  Ex: cats, dogs, humans,

Energy and WastesRequire much energy

Produce a variety of

Digestive tractIf mammals eats only

Why? takes longer toIf eat only meat,

DIGESTION AND EATING

Page 17: Endothermic  Warm-  Permits high level of activity at (regardless of outside temperature)  Females have  Function:  About  Ex: cats, dogs, humans,

Require a

2 organ adaptations for this:Diaphragm:

Muscle that contracts and therefore

Four-chambered heart: Separates blood into

RESPIRATION

Page 18: Endothermic  Warm-  Permits high level of activity at (regardless of outside temperature)  Females have  Function:  About  Ex: cats, dogs, humans,

All have All have 3 groups of Mammal life cycles:

1. 2. Marsupials:3.

LIFE CYCLE

Page 19: Endothermic  Warm-  Permits high level of activity at (regardless of outside temperature)  Females have  Function:  About  Ex: cats, dogs, humans,

Placental:Develop inside % of mammals are thisPlacenta—organ which allows for

nutrients,

LIFE CYCLE

Page 20: Endothermic  Warm-  Permits high level of activity at (regardless of outside temperature)  Females have  Function:  About  Ex: cats, dogs, humans,

Placental, cont.:Gestation period—time that

embryo

Humans: 9 months, Elephants: , Mice:

Mammary gland—young

Ex: humans, dolphin,

LIFE CYCLE

Page 21: Endothermic  Warm-  Permits high level of activity at (regardless of outside temperature)  Females have  Function:  About  Ex: cats, dogs, humans,

Marsupials:Give birth to small, immature young that

Mothers can move around and look for food

Ex: kangaroo, Monotremes:

Mammals that IncubateEx:

LIFE CYCLE