Explanation:
In the megasporan- gium of each ovule, the megasporocyte divides by meiosis, producing four megaspores. One survives and forms a female gametophyte. Fertilization: In nucleus of developing endosperm-- Double fertilization occurs. One sperm fertilizes the egg, forming a zygote.
The directed movement of substances, into, out of or within a cell, either in a vascular tissue or in the vascular membrane.
The main roles of plant stems and roots are to transport substances around the plant. They have two types of transport systems – xylem and phloem . Xylem transports water and minerals. Phloem transports sugars and amino acids dissolved in water.
hope it helps because there is not any issue of transport , and if my answer i s not supportable comment i will provid emore information.
The best way to prevent cholera is to promote healthy sanitation practices and to filter and treat drinking water sources. Cholera bacterium is usually found in water or food sources that have been contaminated by feces from infected person with cholera. It is mostly found and spread in places with inadequate water treatment, poor sanitation, and inadequate hygiene.
Answer:
Sewage facilities remove liquid and then compact solid wastes.
Explanation:
Got it right on the quiz.
Answer:
<em>The correct option is B. Alleles</em>
Explanation:
The punnet square can be described as a diagram which shows the outcomes of a cross. A punnet square will help us know what will be the probability for a particular trait to occur in the offsprings.
Genes might have the same or different alleles. If the alleles for a gene are similar in an organism, the organism is said to be homozygous for the trait. If the alleles are different, then the organism is termed as heterozygous.
A dominant allele is the one which which suppresses the effect of the recessive allele. A recessive allele gets masked by a dominant allele.
