Answer:
Necessary for the transport of dietary lipids. (Ans. C)
Explanation:
Lacteals are specialized lymphatic capillaries which helping in to absorb dietary fats that are present in the villi of the small intestine. With the help of bile, triglycerides is emulsified, and with the help of enzyme lipase, triglycerides is hydrolyzed, these (emulsified and hydrolyzed) results in the mixture of di, monoglycerides, and fatty acids.
The villi are finger shaped, and tiny in size which helping in to increase the surface area. Intestinal structure is known as lacteals which helps in the transport of glycerol, and fatty acids aside from the small intestine in the lymph.
Answer:
D. Thermal expansion
Explanation:
MECHANICAL WEATHERING
can be defined as the gradual disintegration of rock into smaller particles which later turn into soil. when mechanical weathering occurs, it doesn't change the chemical composition of the rock. mechanical weathering are caused by abrasion by ice water, thermal expansion, root of trees growing on the rock.
THERMAL EXPANSION
This is a mechanical process of weathering. during the day when there is high temperature and hits the rock surface, the rock absorbs heat expands . at night when the temperature drops the rock contrast. Repeated action of expansion and contraction results in gradual breakdown of rock to form soil.
Answer:
There are many changes that is ongoing on the earth. Some of the changes are short term changes and the others are long term changes.
These changes are due to the effect of human activities or due to natural processes.
The life of organism depends on these geological processes that keeps on going with time. The growth and development of the organism is hampered by these processes.
Change is the rule of nature and it keeps on changing with time. There has been 5 massive mass extinctions which has affected the life of plant and animal species.
Many of the species have been extincted due to this process.
Answer:
E. O. Wilson say polygamy is natural
Explanation:
There are a number of ways to prove polygamy is natural, actually. The most meaningful one would be when you literally look at the number of mates that are simultaneously maintained by a member of one sex. In the case of polygyny, which is male harem formation, you simply look at the number of females in an average harem.
You can also look it anatomically. If you look at those species that are highly polygynous, in which many females are mated to just one male, we find that they're actually highly sexually dimorphic, and there's a really close one-to-one correspondence between the degree of polygyny in terms of number of mates and the degree of sexual dimorphism.
