Answer:
d. Tetrapods.
Explanation:
The Tetrapods are four limbed animal which contains extincts of mammal, reptile and amphibian. They belong to Phylum chordata. Tetrapods includes land living vertebrates such as frogs, harks, sea lions etc. To be categorized in phylum Chordata the the chordate should possess pharyngeal slits, post tail and dorsal nerve chord.
Answer:
In the 1960s, China's large population was growing so rapidly that there was a serious threat of mass starvation.
• The government established the world's strictest family planning and birth control program, promoting one-child families and provides contraceptives, sterilizations, and abortions for married couples.
• Married couples pledging to have no more than one child receive a number of benefits including better housing, more food, free health care, salary bonuses, and preferential job opportunities for their child.
• Between 1972 and 2011, the country cut its birth rate in half and trimmed the average number of children born to its women from 5.7 to 1
Explanation:
Answer:
The answer is XX.
Explanation:
Let us say that X is the dominant gene and x is the recessive gene for the height of the pea plants. Pea plants need to be homozygous or heterozygous to have the short phenotype which means it needs to have the genotype xx or Xx.
The F2 offspring has a ratio of 74,5% tall plants and 25,5% short plants. For these results, the stem height pea plant needs to be homozygous which is an XX genotype for the tall pea plant.
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