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What are the 2 paterns of fertilization?
The two types of fertilization are 1. Internal fertilization 2. External fertilization Internal fertilization takes place within the body of the female. External fertilization takes place outside the body of female. It takes place by layong eggs.
What thing have to happen for photosynthesis to occur?
For photosynthesis to occur, three main things have to happen: 1) sunlight must be available to provide energy, 2) carbon dioxide must be present as a source of carbon, and 3) water must be available as an electron donor. These three factors are essential for the process of photosynthesis to take place in plants.
What 2 things join during plant fertilization?
During plant fertilization, the sperm cell from the pollen tube joins with the egg cell in the ovule to form a fertilized egg. This process leads to the formation of a zygote, which eventually develops into a new plant embryo.
What sequence best represents sexual reproduction in order?
1. gametes - zygote - fertilization - embryo 2. fertilization - zygote - gametes - embryo 3. zygote - gametes - fertilization - embryo 4. gametes - fertilization - zygote - embryo answer is 4. gametes-fertilization-zygote-embryo
Where does the process of double fertilization occur in plants?
The Generative nucleus arrives at the embryo sac inside the ovule and undergoes division to produce two haploid male nuclei. One of the male nuclei fuses with the haploid female gamete nucleus and for a diploid zygote. The other Male nuclei fuses with 2 polar female gametes to produce the triploid nucleus. This is known as the endosperm nucleus and it acts as a food source for developing zygote.
What is needed for cholangitis?
The two things that are needed for cholangitis to occur are: 1) obstruction to bile flow, and 2) presence of bacteria within the bile ducts
What are four things that can be done to increase the speed at which reactions occur?
the following things are needed to for a reaction to go faster: 1.large surface area 2.more concentration 3.temperature 4.no.of collisions
Cell division provides new cells so that what 2 things can occur?
growth and repair can occur
Function of the cervix?
1) To allow menstrual blood from the disintegration of the uterus to flow into the vagina 2) To direct the path of sperm into the uterus so fertilization may occur
What 2 things are needed for the equestrian event?
Probably; 1- a horse 2 - a chariot
What are the 2 paterns of fertilization?
The two types of fertilization are 1. Internal fertilization 2. External fertilization Internal fertilization takes place within the body of the female. External fertilization takes place outside the body of female. It takes place by layong eggs.
When does meiosis 2 occur in females during the reproductive process?
Meiosis 2 occurs in females during the reproductive process after fertilization, when the secondary oocyte completes its division to form a mature ovum and a polar body.
2 parts in male plants?
Male plants have two main parts: the stamen and the pollen. The stamen is the male reproductive organ that produces pollen, which contains the male gametes necessary for fertilization. During pollination, the pollen is transferred from the stamen to the female reproductive organ of the plant for fertilization to occur.
What 2 things are needed for every experiment?
you need the list of the materials and the report.
Can implantation occur for 6 or 7 days?
Implantation typically occurs between 6 to 12 days after fertilization, with the majority of cases happening around day 9. However, individual variations can occur, so implantation at 6 or 7 days post-fertilization is within the range of normal.
What are the 2 things occur when potential energy has been converted into kinetic?
Movement and heat production .
What thing have to happen for photosynthesis to occur?
For photosynthesis to occur, three main things have to happen: 1) sunlight must be available to provide energy, 2) carbon dioxide must be present as a source of carbon, and 3) water must be available as an electron donor. These three factors are essential for the process of photosynthesis to take place in plants.
