Compare and contrast the species of rodents discussed in the last chapters: rats, mice, gerbils, hamsters,
guinea pigs, and chinchillas. How are they similar? How are they different?
What will be an ideal response?
Student answers will vary, responses may include:Characteristics
: Gerbil Guinea Pig Hamster Mouse Rat Chinchilla
Length/Size 4–6 in 10–11 in 3–5 in 2–3 in 6–8 in 9–15 in
Tail long none short long long long
Cheek Pouches? no yes yes no no no
Lifespan 3–4 yrs 4–6 yrs 2–2.5 yrs 1.5–2 yrs 2–3 yrs 12–20 years
Native Area Africa, Asia South
America
Asia,
Europe
Asia,
worldwide
Asia,
worldwide
South
America
Activity Time Diurnal Diurnal Nocturnal Nocturnal Nocturnal Nocturnal
Personality Gentle,
Curious,
Seldom
bites
Friendly,
easy to
handle,
timid when
approached
Solitary,
Protective
of territory,
hoarders
Social,
curious,
tames
quickly
Social,
highly
intelligent,
curious
Friendly,
dislikes
loud noises,
needs to
feel secure
You might also like to view...
Whenever the processor sees an N.O. contact in the user program, it views the contact symbol as a request to examine the address of the contact for a(n) ___________________ condition.
Fill in the blank(s) with the appropriate word(s).
Artificial soils:
A) are composed almost entirely of man-made materials. B) are influenced by the same factors as natural soils. C) are influenced by different factors from natural soils. D) are replacing natural soils in many modern farming operations.
High gain with no external components.is
A) a differential amplifier used as a summing amp B) the definition of a comparator C) open-loop gain D) closed-loop gain
Determine whether or not the systems with these frequency responses are causal.
