B. White petal colour is a recessive trait.
Explanation:
In Mendelian genetics, the alleles depicted in small letters are recessive traits.
Since both alleles are same and in lower case they are homozygous recessive alleles for a white coloured petal gene.
The genotype of the trait will be tt because if it is crossed either with heterozygous or homozygous P alleles it will appear as tt to have phenotypic trait of white colour.
So the genotype will be tt.
Wet season and dry season ♥️
Answer:
pulmonary vein
Explanation:
The pulmonary veins
transfer oxygenated blood from the lungs to the heart.
It helps complete the pulmonary circuit, by receiving oxygenated blood in the alveoli and returning it to the left atrium.
Answers/ Explanations:
- Water is considered a <u>'Natural'</u> resource (Fresh water is also considered a <u>'limited'</u> resource.
- Oil, coal, and natural gas are considered <u>'Non-renewable'</u> resources.
- <u>'Chemical'</u> energy is able to be replaced within the ecosystem for human use.
- A farmer who wants to produce the best crop yield will use '<u>Precision Farming.'</u>
- When a pollutant increases in concentration at higher levels of the trophic level, <u>'Biomagnification'</u> can harm organisms at the highest levels.
