Five years later, the total fertility rate for this country is 2.4. Which of the following statements could be a possible reason for this change? The total fertility rate decreased because there must have been an increase in the infant mortality rate.

The total fertility rate decreased because the economy forced many couples to delay when they will have children.

The total fertility rate decreased because the infant mortality rate is greater than the death rate.

The total fertility rate decreased because governmental policies were implemented to provide housing for low Income families.

answer: land bridge theory. land bridge theory held that shifting portions of dry land explained the finding of identical species on different continents. plate tectonic theory eventually eliminated the land bridge theory.

well

explanation:

sheep is a herbivore animal whereas grasshopper belongs to the class chordates but both of them feed on greens.  

if grasshopper and sheep feeding on a pasture land, i do not think both of them will have any impact on each other. however, the number of the species can make difference. since sheep feed on greens, there is a possibility there left no pasture land for the grasshoppers or they may get extinct.

the level of progesterone is low at the pre-ovulatory phase of the cycle but it gradually increases and the levels are high at the luteal phase. if pregnancy occurs, the level of progesterone will be high throughout the pregnancy.

if egg is fertilized and the mother gets pregnant, progesterone starts preparing the uterus for the implantation. it starts building up the lining of uterus and make it hostile of the period of pregnancy.