Elephants are endangered animals because of efforts to hunt thc for their ivory tusks(象牙).Selling ivory has been illegal for more than 30 years worldwide.So,17-year-old Anika Puri was astonished to see a market filled with rows of ivory jewelry and statues on her visit to India 4 years...
preventing our bodies from having basic nutrients(营养成分).Diet foods and diet pills contain zero calorie only because the diet industry has created chemicals to produce these wonder products.Diet products may not be nutritional,and the chemicals that go into diet products are potentially dangerous....
Elephants are endangered animals because of efforts to hunt them for their ivory tusks(象牙).Selling ivory has been illegal for more than 30 years worldwide. So, 17-year-old Anika Puri was astonished to see a market filled with rows of ivory jewelry and statues on her visit to India 4 ...
The post-puberty gender distribution cannot be reflected by the tracks both males and females could produce, due to the fast growth of bulls in relation to females of reproductive age except, and with a certain confidence, when trackways of large and very small animals are found interacting or...
First of all,some illegal merchants catch the elephants for their tusks to make all kinds of ormaments and medicine.For the other,The area of their habitates has been increasingly decreasing.Some effective measures must be taken to solve thes problems.As far as I am concerned,the...
One key distinction between elephant killings for ivory or for resistance would, in addition to what people state in interviews, be whether the tusks are removed immediately or not. In poaching, the tusks will be quickly removed after the killing in order not to attract attention. In Engare ...
The elephant orientates himself into the direction of the sound source, but not directly facing the speaker (Supplemental video 1 and 2) The trunk tip is lifted above the level of the tusks. The elephant does not have to be focused into the direct line of the speaker. Any vocalization in...
Natural ivory is a bone-like material largely made of a mineral called dentine, which lies underneath the enamel of a tooth. And whilst human teeth are used for eating, ivory tusks are teeth that have emerged beyond the lips, giving elephants an evolutionary advantage. ...
This is believed to be why the average size of elephant tusks is gradually decreasing – elephants with smaller tusks are not poached and live to reproduce more. Elephants normally only sleep 2 or 3 hours each day because they need to spend time eating to support their huge size, as they ...
Group-living animals that live in complex social systems require effective modes of communication to maintain social cohesion, and several acoustic, olfactory and visual signaling systems have been described. Individuals need to discriminate between in- and out-group odour to both avoid inbreeding and ...