In the set of material, writer state about the altruism, it means animal sacrifices his own interest for other animal. Writer gives two examples of altruism. Instead of that in listening section professor mentions about there are not benefits of that animal that sacrifices his interest.
Firstly, in reading passage writer gives the example of humans act like shearing food with strangers and, the donation of organs to the family members or a complete strangers such act of is called altruism. However in the lecture professor state about there is no any kind of benefit to the donor from society of the organs receiving family.
Secondly, writer state in passage, many species of animals is willing to sacrifice their food for other members. The meerkat, an individual acts as a sentinel, meerkat sees a predator whose are danger for the group of meerkat. The meerkat who sees a predator he goes back without eating food, he get nothing bug still he is giving alarm to the other member of group. Instead of that in listening section, professor tells about sometime this meerkat lost their life for the other member of group. They don’t get anything.
In conclusion, Altruism is the process of sacrificing own interest for other member of group of animals. Many animals are sacrifice their life for other but they couldn't get anything from them. 
In the set of material,  
writer
 state about the  
altruism
, it means  
animal
 sacrifices his  
own
  interest for
  other
  animal
.  
Writer
 gives two examples of  
altruism
.  
Instead
 of that in listening section professor  
mentions about there
 are not benefits of that  
animal
 that sacrifices his interest. 
Firstly
, in reading passage  
writer
 gives the example of humans act like shearing food with strangers and, the donation of organs to the family  
members
 or a complete  
strangers
 such act of  
is called
  altruism
.  
However
 in the lecture professor state about there is  
no
 any kind of benefit to the donor from society of the organs receiving family. 
Secondly
,  
writer
 state in passage,  
many
 species of  
animals
 is willing to sacrifice their food for  
other
  members
. The  
meerkat
, an individual acts as a sentinel,  
meerkat
  sees
 a predator whose are  
danger
 for the  
group
 of  
meerkat
. The  
meerkat
 who  
sees
 a predator he goes back without eating food, he  
get
 nothing bug  
still
 he is giving alarm to the  
other
  member
 of  
group
.  
Instead
 of that in listening section, professor  
tells
 about sometime this  
meerkat
 lost their  
life
 for the  
other
  member
 of  
group
. They don’t  
get
 anything. 
In conclusion
,  
Altruism
 is the process of sacrificing  
own
 interest for  
other
  member
 of  
group
 of  
animals
.  
Many
  animals
 are sacrifice their  
life
 for  
other
  but
 they couldn't  
get
 anything from them.