whats stigma in a plant
Answers
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The stigma is the sticky knob at the top of the pistil. It is attached to the long, tubelike structure called the style. The style leads to the ovary that contains the female egg cells called ovules. The male parts are called stamens and usually surround the pistil.
In a flower, this landing zone and entrance is the stigma. It plays a pivotal role in reproduction. Most stigmas are adapted to trap pollen with hairs, flaps and other surfaces to increase their efficiency. Most stigmas are covered with a waxy, sticky substance.
Answer:
Stigma: The part of the pistil where pollen germinates.
Explanation:
Related Questions
Charles Darwin studied multiple species of finches and tortoises during his time on the Galapagos Islands. His research focused on which level of ecological organization?
Population
Community
Ecosystem
Individual
Answers
what kind(s) of cells can develop from multipotent stem cells?
Answers
can someone help with this? the answer choices are sex-linked or autosomal for the first one, and dominant or recessive for the second
Answers
Answer:
sex-linked and recessive
Explanation:
A pedigree chart is a genetic representation that exhibits the phenotypes and genotypes for a genetically inherited trait (usually a disease or condition) in a family tree. In this case, the trait in the pedigree is recessive and linked to sex (X chromosome-linked) because it can occur only in males who receive the X chromosome for this condition from their mothers, while females can be carriers that don't have the disorder but can pass it on to offspring.
1.2 DESIGN CONSIDERATION
Answer the following questions:
1.2.1 What problem did the paramedics encounter at the accident scene?
Answers
Answer: Paramedics are the medical professionals which perform multitasking in providing medical aid to the patients in the field as well as in the hospital.
Explanation:
Problems encountered by the paramedic at the accidental scene:
1. Major problem is the collection of the blood and other bodily fluids for examination as it is contaminated over spilling on the road.
2. Stabilizing and uplifting of the patient found on accident and curating them to ambulance is a labor consuming task.
3. Some body parts are severely damaged in accidents some of which includes those parts which covers the vital organs like ribs, spinal cord, skull, and pelvis so stabilizing those parts is a risky task for paramedics and can even kill the patient.
- A 47-year-old male presents to the emergency department complaining of malaise, fever,
and painful nodules on the pads of his fingers. He admits to being an active IV drug abuser,
while denying regular medical and dental care. Upon physical examination, the nurse notes a
soft systolic murmur and small painful nodules on the pads of his fingers. Based upon these
physical examination findings, the physician thinks that the patient may have infective
endocarditis and prescribes antibiotics.
a. What should the nurse ensure happens before the antibiotics are
given?
Answers
Answer:
To be sure about the cause of the pain.
Explanation:
The nurse must ensures the presence of bacteria or microbes before the antibiotics are given because the antibiotic is used for the killing of these microbes such as bacteria. endocarditis happens when the bacteria or fungi enters to the heart through blood streams and cause problems there so for removing this infection we must use antibiotic that kills this microorganisms so the nurse has to make sure that the symptoms is due to microbes or not before the use of antibiotic to avoid any consequences.
4) A "black light" uses _______ radiation to make some objects glow.
5) How does a prism separate white light into the different colors that compose it?
Answers
Answer:
4 Black light uses Ultraviolet light
5 As light passes through a prism, it is bent, or refracted, by the angles and plane faces of the prism and each wavelength of light is refracted by a slightly different amount. ... As a result, all of the colors in the white light of the sun separate into the individual bands of color characteristic of a rainbow.
Answer:
ultra violet light
Lancelets are the only extant group of cephalochordates. True or False
Answers
Answer:
True
Explanation:
This is because Cephalochordates are the recent ancestor of lancelets. They have muscle segmented Brook.The lancelets are mostly marine organisms that live in shallow, tropical and temperate oceans. The lack a well differentiated head region but they have brain region.
What is the function of dna ligase .
Answers
Answer:
I'm going with A
Explanation:
DNA ligate play an essential role in maintaining genomic integrity by joining breaks in the phosphodiesterase backbone of DNA that occur during replication and recombination, and as a consequence of DNA damage and its repair.
6 th grade science lol
is mars Held in orbit by the gravitational pull of a planet
Answers
Answer:
True
Explanation:
Jupiter holds Mars in place and the reason Mars has moons is that Jupiter astroids at Mars so Mars can pull them with its gravity.
Give me Brainllest
A fluke is a small animal that lives in the gut of mammals and takes energy from the mammal. A fluke is a
A. hunter.
B. decomposer.
C. parasite.
D, herbivore.
Answers
Answer:
id say its a parasite
Explanation:
13. What type of chemical hazard is a person ingesting if they eat a lot of processed foods, cured
meats, and certain types of wines?
Answers
Answer:
The correct answer is - health hazards (carcinogenic).
Explanation:
Processed foods, cured meat, and certain types of wines have a chemical present in them for increasing the life of the food and taste. This chemical is used in this food are known for their cancer-causing properties and grouped as group 1 carcinogen which comes under health hazard of type of chemical hazard.
N-nitroso-compounds (NOC) and polycyclic aromatic hydrocarbons (PAH) are the two major chemicals used in cured meat and processed food. There are many other severe health conditions also caused by ingesting a high amount of such food like diabetes, cardiovascular disease, and obesity.
The chart supports the fact that living organisms:
A) have the same four nitrogenous bases in common with each other.
B) have no nitrogenous bases in common with each other.
C) only have guanine and cytosine in common with each other.
D) have evolved to no longer contain the nitrogenous base, uracil
Answers
Answer:
a
Explanation:
dna is made up of the four nitrogenous bases, and every living creature has dna.
Answer:
A
Explanation:
Which of the following is the best definition of alternative energy?
A. Energy sources that can be used in place of hydroelectric energy
B. Energy sources that can be used in place of wind energy
C. Energy sources that can be used in place of coal
D. Energy sources that can be used in place of fossil fuels
Answers
Answer:
D
Explanation:
Alternative energy is best defined as the use of energy sources other than traditional fossil fuels, which are considered environmentally harmful and are in short supply. Fossil fuels consist of natural gas, coal, and oil. Currently, fossil fuels are the most used energy source to heat our homes and power our cars.
Answer:
D.)
Explanation:
Alternative energy is best defined as the use of energy sources other than traditional fossil fuels, which are considered environmental harmful and are in short supply.
Look at the food web below.
What would happen if the grains died out?
Is this an example of high or low biodiversity?
A. Mice would die out and there would be less food for all the rest of the animals in the food web. This is an example of LOW biodiversity.
B. Foxes would die out BUT there would be more food for all the rest of the animals in the food web. This is an example of LOW biodiversity.
C. Mice would have more food but the rest of the animals would starve. This is an example of FAIR biodiversity.
D. Owls would die out and there would be less food for all the rest of the animals in the food web. This is an example of HIGH biodiversity.
Answers
Answer:
below
Explanation:
C. Mice would have more food but the rest of the animals would starve. This is an example of FAIR biodiversity. Sorry if this is wrong
what kind of cells perform mitoses
Answers
What is the difference between ecosystem and species?
Answers
Answer:
An ecosystem is a collection of species living together in a given environment.
pls helpp
The local scout troop headed out for a weekend camp out. The campers met at point
A and hiked up to point B to set up a camp site. What was the change in elevation
for these campers?
100 m
110 m
120 m
200 m
Answers
Answer:
120
Explanation:
im 100% sure
Wind power is an indirect form of what type of power?
Answers
Answer: solar power
Explanation: Wind power is considered indirect forms of solar power because the wind's energy originates in the uneven heating of the Earth. Water power is considered indirect solar energy because water is evaporated by solar hear, lifted and carried by the winds
Please only answer if you know and links will be reported
Answers
Answer:
C
Explanation:
the answer is C
30 POINTS!!! PLZZZ HELP
1. What processes create igneous rocks?
2. What processes create metamorphic rocks?
3. What processes create sedimentary rocks?
Answers
Answer:
Igneous rocks form when magma (molten rock) cools and crystallizes, either at volcanoes on the surface of the Earth or while the melted rock is still inside the crust.
Sedimentary rocks are erosion, weathering, dissolution, precipitation, and lithification. Erosion and weathering include the effects of wind and rain, which slowly break down large rocks into smaller ones.
Metamorphic rocks form when rocks are subjected to high heat, high pressure, hot mineral-rich fluids or, more commonly, some combination of these factors.
Explanation:
Answer:
1. Igneous rocks form when magma molten rocks cools and crystallizes, either at volcanoes on the surface of the Earth or while the melted rock is still inside the crust. All magma develops underground, in the lower crust or upper mantle, because of the intense heat there.
2. Metamorphic rocks form when rocks are subjected to high heat, high pressure, hot mineral-rich fluids or, more commonly, some combination of these factors. Conditions like these are found deep within the Earth or where tectonic plates meet.
3. The most important geological processes that lead to the creation of sedimentary rocks are erosion, weathering, dissolution, precipitation, and lithification. Erosion and weathering include the effects of wind and rain, which slowly break down large rocks into smaller ones.
Hope it Help!~
tru or false
Do plants lose water
Answers
Answer:
True is the answer of the question
Answer:
True they lose water by the process of Transpiration.
Explanation:
Hope this helped :)
Water, while beaker b has 50 ml of water. B. State the beaker which is going to require more time to reach room temperature, explain your answer
Answers
Answer:
The beaker has more water.
Explanation:
The beaker which has more water takes more time to reach the room temperature because it has more surface area than other one. If a body has less surface area then it will lose heat energy quickly and to reach its room temperature as compared to the body that has more surface area. Heat transfer depends on the materials in which it is placed and the surrounding environment. In some materials conduction of heat occurs quickly as compared to other materials.
State TWO reasons how bacteria can be useful to humans,
Answers
Answer: Creating products, such as ethanol and enzymes.
Making drugs, such as antibiotics and vaccines.
Making biogas, such as methane.
Cleaning up oil spills and toxic wastes. Bacteria have long been used by humans to create food products such as cheese, yoghurt, pickles, soy sauce and vinegar. We are also able to use bacteria to break down our sewage and to clean up oil spills.
Explanation:
Answer:
They help to digest substances that the human body cannot break down, like many carbohydrates and things called short chain fatty acids. Friendly bacteria give you protection from the microorganisms that could cause serious illness.
Explanation:
How does carbon affect the rate of heating(melting )of ice
Answers
Answer:
In the process, the carbon dioxide bonds with, then breaks with, a lot of molecules of water. These broken water molecules weaken the ice and make it more brittle.
Explanation:
Hope it helps u
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Urgent!!
Which of the following is a major goal of fisheries managers?
A.Using resources intelligently so they will be preserved.
B.Increasing fish production as much as possible.
C.Reducing public consumption of fish to protect fish populations.
D.Preserving natural resources in a pristine and unused state.
Answers
Explain what would occur if the population of an animal such as a beaver, changes the environment and can increase the number of individuals in that area. In other words, explain how a change to an environment can cause an increase in an animal population.
Answers
Answer: Some changes may cause a population to increase. If there are more plants than usual in an area, the population of animals that eat plants may increase. If one animal's population increases, the population of animals that eat that animal might also increase.
Explanation:
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List AND Describe the 2 chemical properties of water
Answers
Answer:
Oxygen and Hydrogen
Explanation:
H2O
H = Hydrogen
O= Oxygen
PLEASE HELP ME ON THIS QUESTION ASAP!!!!!!!!
Answers
Answer:
spruce
Explanation:
How does composting help a landfill?
C. it allows things to decompose over 100's of years
B. helps break down biomass
D. it does not help the landfill
A. it takes up a lot of space
pls help :))
Answers
Answer:
C
Explanation:
It doesn't take 100s of years to decompose biomass. Usually it takes less than a year. Not C
It should help the land fill: D is incorrect
Initially it probably does take up a lot of space or more than the results of composting. But that's not why you do it. You do it because eventually very little will be left and it makes wonderful fertilizer. A is a half truth.
I'd pick C
nombradme 5 artropodos que respiren mediante traqueas
Answers
Answer:
Basic Categories of Arthropods
Chelicerata: horseshoe crabs, spiders, scorpions, sea spiders and mites.
Myriapoda: millipedes, centipedes, pauropods and symphylans (known as glasshouse symphylans or garden centipedes)
Crustacea: brine shrimp, barnacles, lobsters, crabs, shrimp and remipedes.
Explanation:
Hope it helps