1.Compare the hibiscus and spider lily pollen grain structure.

2.Why stigma at the top of the pistil is often sticky?

3.Why pollen is important in fertilization?​

Answers

Answer 1

Answer:

Explanation:

Hibiscus flowers attract pollinators with their bright colors and a bull's-eye pattern leading to a deep throat. The deep throat and prominent stamen and stigma mean pollinators need to bump the stigma to probe deeper in the flower. Pollen sticks to the pollinator and is transferred to the female parts of either the same flower or sometimes a different flower. Pollinators are rewarded for their pollination efforts by by being allowed to consume the surplus pollen the flowers produce.not sure about spider lily

answer for 2  The top part of the pistil is called the stigma and is sticky so it will trap and hold pollen. In flowering plants, the flower functions in sexual reproduction.

answer for 3 The ultimate function of pollen is to deliver male gametes (sperm) from the stamen of a plant to an ovule for fertilization of an egg, which then develops into a seed


Related Questions

1. Which carbon (organic) compound is most abundant in the potato?

Answers

Answer:

polysaccharides

Explanation:

How many Hydrogen atoms are in the chemical equation 3H20
a. 3 Hydrogen atoms
b. 2 Hydrogen atoms
c. 7 Hydrogen atoms
d. 6 Hydrogen atoms

Answers

Answer:

A. 3 Hydrogen atoms

Explanation:

Is an Aquifer part of a Watershed?

Answers

Answer:yes

Explanation: it is because groundwater’s is the other half of the moisture equation contained in a watershed.

QUESTION 5
A family left California to live in Idaho. Which of the following
occurred for the California population after this family moved?
SELECT AN ANSWER
emigration
immigration

Answers

Answer:

emigration

Explanation:

Emigration-the act of leaving one's own country to settle permanently in another; moving abroad.

Does the circulatory system work with the digestive system and the excretory system?

Answers

Answer:

no

Explanation:

What is a way that humans enjoy acute stress ?

Answers

Acute stress comes with a lot of adrenalin and for most people living ordinary lives lacks that. -hope this helps have an amazing day!!

What are the smallest blood vessels in the body called?

a. capillaries

b. venules

c. arterioles

d. alveoli

Answers

The answer is a (capillaries)

Which choice is right?!

Answers

Answer:

I think it's because plants have chloroplasts because chloroplast are the organisms that helps plants in making their own food

Answer:

Because plants have chloroplast. Chloroplast are organelles that conduct photosynthesis where the photosynthetic pigment captures the energy from sunlight converts it and stores it in the energy storage molecules ATP and NADPH while freeing oxygen from water in plant and algal cells.

Prevailing winds blow from the Pacific Ocean toward two cities separated by mountains. City A is on the leeward side of
the mountains and city B is on the windward side. Which city is likely to have a wetter climate? Explain your answer.

Answers

Answer:

City B will have a wetter climate.

Explanation:

This is because in windier areas in tends to get more wet than rocky areas (mountains) where City A lies. Also because more wind will blow more and more clouds in the direction of city B making it rainier there a lot more often than a non windy rocky are.

Please help me with 16

Answers

It’s D

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why is system thinking important

Answers

Answer:

Systems thinking is a powerful approach for understanding the nature of why situations are the way they are, and how to go about improving results. Historical perspective is important in understanding the evolution of a situation and in identifying patterns of behaviors over time.

Explanation:

Is granite a igneous rock?

Answers

Answer:

Granite, coarse- or medium-grained intrusive igneous rock that is rich in quartz and feldspar; it is the most common plutonic rock of the Earth's crust, forming by the cooling of magma (silicate melt) at depth.

Explanation:

For what reason may First Amendment rights be limited?​

Answers

Answer:

the shouldn't be limited

Explanation:

because its a right but an amendment can be changed

Answer:

include obscenity, fraud, child pgraphy, speech integral to illegal conduct, speech that incites imminent lawless action, speech that violates intellectual property law, true threats, ect

Explanation:

if the things above are done the first amendment can be taken away

ANSWER THIS NOW!!!!
40 points!!!
Drag each label to the correct location on the diagram.
Identify the structures of skeletal muscle.
muscle fiber
muscle
fascicle
myofilament
myofibril

Answers

Answer:

1. Muscle: soft, contractile tissue important to produce force and motion in animals.

2. Fascicle: multiple bundles of skeletal muscle fibres which is surrounded by a type of connective tissue called perimysium.

3. Muscle fibres: bundles of cylindrical organelles myofibrils formed by the fusion of myoblasts via myogenesis process.

4. Myo-fibril: basic unit of a muscle cell made of thick and thin myofilament arranged in parallel columns along the length of muscle fibres.

5. Myo-filament: strands of actin and myosin proteins which pack a muscle fiber and are force generating structures.

Explanation:

Answer:

1. Muscle: soft, contractile tissue important to produce force and motion in animals.

2. Fascicle: multiple bundles of skeletal muscle fibres which is surrounded by a type of connective tissue called perimysium.

3. Muscle fibres: bundles of cylindrical organelles myofibrils formed by the fusion of myoblasts via myogenesis process.

4. Myo-fibril: basic unit of a muscle cell made of thick and thin myofilament arranged in parallel columns along the length of muscle fibres.

5. Myo-filament: strands of actin and myosin proteins which pack a muscle fiber and are force generating structures.

Explanation:

i hope this helps :)

What would the growth rate be if a population had a death rate
of 40 and a birth rate of 20?
SELECT AN ANSWER
20
10
2
-20
-10
-2

Answers

Answer:

-20

Explanation:

to to find the growth rate of a population you subtract the death rate from the birth rate.

Describe the chemical and physical structure and parts of a gene.

Answers

Double helix my demon

Where did Margaret Mead live in the 1930s to conduct her study of cultural variation?

Answers

Answer:

Margaret Mead lived in New Guinea in the 1930s to conduct her study of cultural variation.

Explanation:

Margaret Mead lived in New Guinea in the 1930s to conduct her study of cultural variation.

What is cultural variation?

Cultural variation makes reference to the rich range of cultural practices found in diverse cultures all over the world.

Gender roles, economic systems, and social structure, among a variety of other humanely as possible organized behaviors, all change from one culture to the next.

Margaret Mead conducted actual first-hand observational data of the shared, behavior patterns of several small societies in New Guinea to find out.

Mead chose to live among the people of New Guinea and take part in their activities in order to gain a comprehensive understanding of cultural variation.

Mead was best known as an anthropologist for her research on the nonliterate peoples of Oceania, particularly in terms of psychology and culture.

Thus, in 1930s Margaret Mead lived in new Guinea.

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Fill in the blank.

The inner core, in combination with the rotation of the Earth, around the outer core creates a dynamo effect where a _______________is generated.

Answers

Answer:

Magnetic field?

Explanation:

This is looks so difficult for me. Someone explation? And answer pl?

Answers

Answer:

That is the periodic table.

Explanation:

The periodic table has elements such as, metals, non-metals, metalloids. There are more specific groups such as, transition metals and alkali metals and halogens. This periodic table of elements is divided into different groups.

Which macronutrient contains carbon, hydrogen, and oxygen molecules?

Answers

Answer:

Carbohydrates

Explanation:

Carbohydrates are one of the three macronutrients in the human diet, along with protein and fat. These molecules contain carbon, hydrogen, and oxygen atoms. Carbohydrates play an important role in the human body.

A student designed an experiment totest
the effects of light and water on plant growth.
How could this experiment be improved?

Answers

Answer:

answer C

Explanation:

You only need to have 1 variable at the time and use the other as dependent

Answer:

I believe the answer is D, all of the above

Explanation:

These organisms are prokaryotic cells, mostly
extremophiles.

Answers

Answer:

A extremeophile is a prokariyite,

Explanation:

Ocean waves are hitting a beach with a frequency of 0.100 Hz. Their
average wavelength is 15.0 m. What is their average speed?

Answers

Answer:

7 MPH or 11.27 KPH

Explanation:

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please help:(( Which of the following is true about gas produced in a chemical reaction?
a. When gas is formed matter has been destroyed.
b. It is impossible to capture and measure all gas produced by a chemical reaction
c. It is difficult to capture and measure all gas produced by a chemical reaction
d. Gas doesn't have any mass

Answers

Answer:

b. It is impossible to capture and measure all gas produced by a chemical reaction.

Explanation:

Which path shows how gravity causes water to move?(APEX)

Answers

Answer:

Stream , Tributary, River, and Lake

Explanation:

Stream tributary River and Lake is the path for gravity causes water to move.

What is Path for water?

Evaporation, condensation, and precipitation are typically taught as three separate but interconnected stages of the water cycle. Although this is a useful model, the actual situation is far more nuanced.

Water moves through ecosystems on Earth in a variety of ways that are incredibly complicated and still not fully understood.

For better weather, climate, water resource, and ecosystem health forecasting, NOAA is working to increase understanding of the water cycle at all sizes, from the global to the local.

Evaporation, condensation, and precipitation are frequently taught as three basic, circular processes that make up the water cycle. This is a good paradigm, but in practice things are much more nuanced.

Therefore, Stream tributary River and Lake is the path for gravity causes water to move.

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Which represents the cross between parent plants if one is heterzygous and has yellow-colored pods and the other is homzygous and has green-colored pods?
Yy ´ yy
YY ´ yy
Yy ´ Yy
yy ´ yy

Answers

Answer:

Its the first one

Yy is yellow (dominant) and heterozygous

yy is green (recessive)

with Yy and yy, you could only get 50% Yy(yellow) and 50% yy(green).  There is no way to make only yy or YY, and in order to make 100% Yy you would need one yy and one Yy

The cross between parent plants if one is heterozygous and has yellow-colored pods and the other is homzygous and has green-colored pods -  Yy yy

Heterozygous genotype:The presence of two different alleles at a particular gene locus.A heterozygous genotype may include one normal allele and one mutated allele or two different mutated alleles.Y for yellow and y for green then the heterozygous parent would be - Yy with yellow phenotype

Purebred genotype:

consists of gene pairs with genes that are the same allele typealso called the hozygousY for yellow and y for green then the hemzygous parent would be - yy with green phenotype

Thus, the cross would be -  Yy yy

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Cobie is testing how the amount of fertilizer affects the height of plants. Which variable does NOT need to be controlled. *
Athe amount of fertilizer
Bthe type of plants used
Cthe amount of water each plant gets
Dthe location of the plants

Answers

Answer: D) the location of the plants

Explanation:

Answer:

Explanation:

B

Describe the ways in which the bacteria cells cluster together

Answers

Answer:

There are several different morphologies that describe particular bacteria and archaea. Archaea can have a round (cocci) shape or a rod (bacilli) shape.Bacteria can also be circular, rod, or a spiral shape (spirochete).

Which ecosystem is more stable - a potato field or a forest?

Answers

Answer:

A forest ecosystem is more stable than a potato field.

Explanation:

The forest ecosystem is a natural one and all the elements are balanced, they are managed by the nature itself.

The forest ecosystem is a natural one, and all the components are in harmony since nature herself manages the ecosystem.

Thus, A forest ecosystem, or simply a forest, is a community of plants, animals, microorganisms, and other species that interact with the chemical and physical elements of their environment.

The species in a forest ecosystem are depending on one another in order to survive, and they can be roughly categorized as producers, consumers, and decomposers based on their ecological roles.

The boreal forest that surrounds the Earth in northern latitudes is an example of a vast forest ecosystem. A forest ecosystem can also be as small as a microsite on a tree limb where mosses, insects, and microscopic species coexist.

Thus, The forest ecosystem is a natural one, and all the components are in harmony since nature herself manages the ecosystem.

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what element from the periodic table has the highest monetary value per unit

Answers

Answer:

francium

Explanation:

The most expensive natural element is francium, but it decays so quickly it can't be collected to be sold. 

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