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What is self pollination and cross pollination?
Self-pollination occurs when pollen from the same plant fertilizes the ovules of that plant, leading to genetic similarity among offspring and reduced genetic diversity. Cross-pollination involves the transfer of pollen from one plant to another, promoting genetic diversity and hybrid vigor in the offspring.
The opening to book lungs is called?
The opening to book lungs is called a stigma. It allows for gas exchange between the respiratory system and the environment.
What function might the stigma of the Euglena serve?
The stigma of the Euglena helps the organism sense light intensity and allows it to move towards light for photosynthesis. It also helps the organism detect and avoid excessive light, which could damage its chloroplasts.
What are the functions of a cow eyeball?
Seeing.
What are the two principal functions of the testis?
The two principal functions of the testis are sperm production through spermatogenesis and hormone production, mainly testosterone, which is responsible for male sexual characteristics and reproductive functions.
What is 1 of the functions of the sugary substance found in the stigma?
One function of the sugary substance found in the stigma is to attract pollen grains. This substance provides nutrition for the pollen grains, encouraging them to land on the stigma and begin the process of fertilization.
What are the functions of the parts of hibiscus?
There are many parts such as stigma, sepals, anther, filament, ovary, ovule etc...
What is the top of the pistil called?
Stigma
Which part of a human reproductive system has the same function as the stigma?
In the human reproductive system, the cervix functions similarly to the stigma in plants. The cervix is the narrow lower portion of the uterus that connects to the vagina and helps facilitate the passage of sperm into the uterus during intercourse, similar to how the stigma facilitates the entry of pollen in plants for fertilization.
What does stigma mean?
Stigma is a mark of disgrace or infamy.
Why does the stigma feel sticky?
stigma
Why feel the stigma sticky?
stigma
What is the sticky part of the pistil called?
The sticky part of the pistil is called the stigma. It is the receptive surface where pollen grains land and germinate to begin the process of fertilization.
What is the function of a stigma?
it holds the stigma in place
What The part of the pistil that receives pollen?
Pollen is collected in the stigma.
Why do the stigma is sticky?
The stigma catches pollen and the pollen grain germinate on the stigma. The stigma is sticky to catch and trap pollen with various hairs or flaps.
What is the plural of stigma?
The plural of stigma is stigmas or (especially in a religious sense) stigmata.
