elephants
Why do scientists believe the Elephant trunk evolved?
The trunk initially evolved in order to serve these animals as a snorkel, and now in modern day elephants for assistance in gathering food
Name two species of elephants, and name three differences between them
Theres the asian elephant and african elephant. Different head shapes African elpehants both have tusks but the asian elephants only males have them. An African elephant's trunk has more visible rings on it, and is not as hard to the touch as the Asian elephant trunk.
What are four types of vegetation they eat
They eat grasses, leaves, shrubs, fruits
What is musth? What are two signs an elephant is in musth?
a condition of heightened aggression and unpredictable behaviour Noticed by a large rise in reproductive hormones, temporal drainage, and dribbling/trickling of urine
What does the term "pachyderm" mean?
a very large mammal with thick skin
Name three behaviors the tusks are used for.
digging, lifting objects, gathering food,
How is the trunk used to drink water
dilate their nostrils in order to create more space in their trunks, allowing them to store up to 5.5 liters of water, then they pour the water in their mouth.
Elephant tusks are elongated/modified
incisors
List the functions that it performs.
smelling, breathing, trumpeting, drinking, and also for grabbing things, snorkaling while swimming
How do elephants communicate over great distances?
using very low frequency sounds, with pitches below the range of human hearing. These low-frequency sounds, termed "infrasounds,"
How many hours a day do elephants spend eating
16 to 18 hours
When do tusks begin to grow?
2 years of age
How long is the elephant's gestation period?
2 years or even more
How large is the baby elephant at birth
3 ft at birth
How far can infrasounds travel?
6 miles
How long will they nurse from their mother
6 months
Why can humans not hear some of the infrasounds
Because its a pitch we are not able to hear
What are the chemical components that make the ivory that the tusks are made of?
Calcium hydroxyapatite and protein with small amounts of Calcium carbonate, Calcium fluoride, and Magnesium phosphate.
At what time of year are they typically born
In the spring or in a rainy season
How does an elephant's skeleton support its massive weight
The bones are arranged in direct line with one another, like a pillar providing rigid support for the enormous body.