Answer: C. To prevent self-fertilization of the pea plants.
Mendel removed the stamens of some pea plants during his first experiment to prevent self-fertilization of the pea plants (Option C).
Who was Mendel?Mendel was a Hungarian botanist who is considered the father of genetics as a discipline.
Mendel's experiments consisted of crossing pea plants, which exhibit auto fertilization.Mendel observed how phenotypic characters are inherited by crossing different pea plants.In conclusion, Mendel removed the stamens of some pea plants during his first experiment to prevent self-fertilization of the pea plants (Option C).
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Which would a chemoautotroph use to produce energy?
Which would be true of sexual reproduction?
a
increases survival rate
b
involves one parent
c
increases genetic diversity
d
produces identical offspring
Answer:
c increases genetic diversity
Explanation:
Answer:
C. increases genetic diversity
Explanation:
First, by process of elimination: sexual production doesn't necessarily increase survival rate, it can, but not always. Sexual reproduction involves two parents, so b is wrong. And sexual reproduction doesn't produce identical offspring, because it's mixing the genes from both parents, do d is wrong. That only leaves c, with two parents, the gene pool is always expanding, and with less chance of mutation
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Pleaseeee helpppppppppp!!!!!!!!!!!!!!
Answer:
I know that some herbivores lived in the mesozoic
Which system includes all life on Earth?
A biosphere
B cryosphere
C geosphere
D hydrosphere
Answer:
Biosphere
Explanation:
contain all the planets living things
The hypothesis would not have been supported
by the data if...
A. traits independently assorted in
approximately a 9:3:3:1 ratio.
B. the traits for white fur and red eyes were
always inherited together.
C. all the F1 offspring had the same phenotype.
Answer: B
the traits for white fur and red eyes were always inherited together.
Explanation:
The hypothesis would not have been supported by the data if the traits for white fur and red eyes were always inherited together by the law of independent Assortment.
What is law of independent Assortment?The law of independent assortment selects alleles of two extra genes into gametes independently of each other.The allele acquired for one gene is unrelated to the allele obtained for another.Mendel's experiment constantly shown that the progeny's distinctive combinations are always unique from their parents'.He formulated the Law of Independent Assortment on this premise.So we can conclude that as the qualities for white fur and red eyes are not usually inherited together, we may deduce that the two features are regulated by distinct genes and are independently shown in the person, as stated by the law of independent Assortment.
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What two diseases have been studied together that provide evidence of evolution in
humans?
A)malaria and ebola
B)sickle cell anemia and malaria
C)cytochrome c disease and plasmodium fever
D)iron-deficient anemia and yellow fever
Answer:
sickle cell anemia and malaria
Explanation:
Scientists believe the sickle cell gene appeared and disappeared in the population several times, but became permanently established after a particularly vicious form of malaria jumped from animals to humans in Asia, the Middle East, and Africa.
The two diseases have been studied together that provide evidence of evolution in humans is sickle cell anemia and malaria.
What is sickle cell mutation?
The sickle cell mutation is relevant to malaria because infection of a red blood cell with the malaria parasite leads to hypoxia. In individuals of the AS genotype such blood cells sickle and are then eliminated by macrophage cells of the body’s immune system, lessening the burden of infection (Luzzatto, 2012). Carriers of the sickle cell trait are particularly resistant to severe malarial episodes; they are less resistant to mild cases. The mechanism by which carriers are protected from malaria is different than the acquired immunity that both AA and AS individuals achieve following repeated exposure to the disease.
The benefit that possessing a single copy of the sickle cell gene conveys counterbalances the biological cost incurred when homozygous SS children are stricken with sickle cell disease. An individual of the AS genotype is more likely to reach adulthood than is an individual of the AA genotype, but the former is also more likely to see his/her child die of sickle cell disease. This is known as a heterozygote advantage or balanced polymorphism. As shown more formally below, the stronger is the pressure of malaria on survival, the more advantaged are individuals who carry the S gene, and in equilibrium, the higher the percentage of the population who will be carriers. Indeed, it was the correlation of high prevalence of the sickle cell gene and the presence of malaria that first led scientists to understand the protective role of the sickle cell mutation (Kwaitkowski, 2005). As will be seen in the next section, the underlying genetic mechanism by which the sickle cell trait is transmitted provides a means of mapping sickle cell prevalence into an estimate of the mortality burden of malaria.
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Which plant cell organelle helps maintain the shape of the cell by helping to maintain turgor pressure?
A)
cell membrane
B)
nucleus
C)vacuole
D)
cytoskeleton
Helpppp :(
Answer:
The answer is the cell membrane
Which position would the Sun need to be in to make the shadow of the box look the way it does in the picture?
A
B
C
D
Answer is B
Answer:
Explanation: Não sei
For a circular or square patch of habitat, the ratio of edge habitat to interior habitat __________ as the size of the patch decreases. View Available Hint(s) For a circular or square patch of habitat, the ratio of edge habitat to interior habitat __________ as the size of the patch decreases. decreases increases in square patches and decreases in circular patches increases remains unchanged increases in circular patches and decreases in square patches
Answer:
increases
Explanation:
Habitat is defined as a particular environment where a group of organisms normally lives. Some examples of habitat include, among others, forests, deserts, lakes, grasslands, etc. Moreover, an edge habitat refers to a habitat area that is in contact with another. This part of the habitat has ecological importance because it is used by many species in order to find food, refuge and rest. In the question above, it is expected that a greater number of smaller habitats increase edge habitat surface area when compared to the interior habitat area. The ratio between the edge habitat surface area and total habitat area may have a huge impact on entire ecosystems.
Which of these statements explains why the plants in Groups E and F died? The high sugar content caused too much water to move into the root cells. The high sugar content caused too much water to move into the root cells. The high sugar content clogged the pores in the cell membranes. The high sugar content clogged the pores in the cell membranes. The high sugar content prevented the plant from capturing energy. The high sugar content prevented the plant from capturing energy. The high sugar content caused too much water to move out of the root cells.
Answer:
The high sugar content caused too much water to move out of the root cells.
Explanation:
Too much causes transpiration to occur, in this case too much water killed the plant.
The statement which explains why the plant in Group E and F died is that the high sugar content caused too much water to move out of the root cells.
What do you mean by High sugar content?
High sugar content in plants may be defined as the amount of carbohydrates (glucose) and their components get accumulated in the different parts of the plants in a high ratio. It also affects the rate of photosynthesis.
High sugar content leads to the loss of water (transpiration) in plants. In this condition, water loss is maximum which results in the scarcity of water in the root cells. And hence the plant died.
Therefore, the statement which explains why the plant in Group E and F died is that the high sugar content caused too much water to move out of the root cells.
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Someone help me please thank you lol!
What do the arrows in a food chain represent?
Answer:
Hey mate......
Explanation:
This is ur answer......
Arrows on a food chain, or food web, represent the flow of energy. The placement of the arrows in a food chain or food web is very important. The arrows always show the direction of the energy as it is transferred from one organism to another.
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Which are characteristics of all bacteria? Check all that apply. NO LINKS
1. They lack a nucleus.
2. They have a nucleus.
3. They eat other organisms.
4. They make their own food.
5. They are eukaryotes.
6. They are prokaryotes.
Answer:
1. They lack a nucleus
4. They make their own food
6. They are prokaryotes
Explanation:
The very structured cells may viewed with a light compound microscope.
Are these cells from a Prokaryotic or Eukaryotic organism? Justify your answer.
Are they from an Autotrophic or Heterotrophic organism? Justify your answer.
Answer:
These cells are Eukaryotic and are autotrophic
Explanation:
These are the cells of onion. An oinion is a plant and because it is a plant it is autotrophic meaning they make their own food. Also plants are eukaryotic which means they have a nucleus.
Rachel Carson wrote in Silent Spring, "The chemical war is never won, and all life is caught in the crossfire." Respond
Answer:
Yes.
Explanation:
Yes, the statement is right because in chemical war, great damage occurs to all living organisms that has a bad effect on our environment. These chemicals are very dangerous so its usage in the war has long term effects on the environment and the organisms that live in it. Both the opponents receive great damage from this chemical war and the destruction of the natural beauty of the place vanished where this war occurs so this vanished of beauty and organisms is the defeat of both the opponents that fought this war.
Answer: What is the main idea of the excerpt?
The writer is concerned about the impact of chemicals on humans and animals.
Explanation: The new chemicals come from our laboratories in an endless stream; almost five hundred annually find their way into actual use in the United States alone. . . . Five hundred new chemicals to which the bodies of men and animals are required somehow to adapt each year, chemicals totally outside the limits of biologic experience.
–Silent Spring, Rachel Carlson, 1962
What is the main idea of the excerpt?
-The writer is concerned about the impact of chemicals on humans and animals.
-The writer is concerned about the future of America’s water quality.
-The writer is concerned about the future of America’s air quality.
-The writer is concerned about the impact of litter on the waterways.
What are the risks of using genetically engineered products in the food supply? Check all that apply. cancer risks unknown consequences possible antibiotic resistance
Answer:
Toxicity. Genetically engineered foods are inherently unstable. ...
Allergic Reactions. ...
Antibiotic Resistance. ...
Immuno-suppression. ...
Cancer. ...
Loss of Nutrition.
Explanation:
Answer:
The answer is all 3 choices
cancer risks
unknown consequences
possible antibiotic resistance
Explanation:
Hurricanes and severe storms can lead to flooding. Homes are damaged from rising water. The water can enter the home through broken doors, windows, and roofs. Homeowners need to quickly remove the standing water. Which answer is least related to a homeowner quickly working to achcieve a healthy home?
A. Limiting human and pet parasites
B. Removing mosquito and insect larvae
C. Preventing the growth of mold and mildew
D. Settling home and medical insurance claims
Answer:
I would say that the answer is A :)
Explanation:
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Why do surface currents move in circular patterns?
Answer:
Ocean water moves in predictable ways along the ocean surface. Surface currents can flow for thousands of kilometers and can reach depths of hundreds of meters. These surface currents do not depend on weather; they remain unchanged even in large storms because they depend on factors that do not change.
Surface currents are created by three things:
global wind patterns
the rotation of the Earth
the shape of the ocean basins
Surface currents are extremely important because they distribute heat around the planet and are a major factor influencing climate around the globe.
Answer:
The Coriolis effect causes winds and currents to form circular patterns.
plz mark me as brainliest.
What describes the goal of genetically engineering crops?
Answer:
Genetically modified crops (GM crops) are those engineered to introduce a new trait into the species. Purposes of GM crops generally include resistance to certain pests, diseases, or environmental conditions, or resistance to chemical treatments (e.g. resistance to a herbicide).
What is index of refraction and what does it have to do with the speed of light?
Answer:
Index of refraction is the ratio of the velocity of light in medium to the velocity of light in vacuum.
OR:
Index of refraction is the ratio of the sine of the angle of incidence to sine of the angle of refraction of light propagating from one medium to another.
When the refractive index is greater, the speed of light is greater as it moves from the medium to vacuum.
As the territory of Africanized bees continues to expand, what is the most likely outcome?
Answer:
Competition among nectar- and pollen-feeding invertebrate pollinators and resource partitioning are affected by introduced Africanized Honey Bees. When Africanized Honey Bees compete with other species of honey bees for flowers, the Africanized bees may displace the other bees from the food sources.
Distinguish between apocarpous and syncarpous
A student is looking for evidence that spindle fibers are separating
chromosomes during cell division. Which cell is the student looking for
below?*
a.) Give one example of how animals respond to their environment
b.) Give one example of how plants respond to their environment
Answer:
1. Animals may to environmental stimuli through behaviors that include hibernation, migration, defense, and courtship. As a result of cold, winter weather some animals will hibernate. Examples of hibernating animals maybe ants, snakes, black bears, beavers, and ground squirrels.
2. Plants grow towards the light. Plant leaves bud and seeds germinate when the temperature is right. Their roots and stems grow in certain directions in response to the pull of gravity.
Explanation:
Answer:
a) For example, a cat may see a saucer of milk. Information from
the cat’s eyes travels along nerve cells to the brain, where the brain
processes the information. If the brain decides it wants the milk,
the brain sends a signal to the muscles in the cat’s limbs, and the cat
moves to the saucer of milk and drinks it
Explanation:
b) For example,
specialized cells in the leaves of trees detect the decrease in sunlight
as winter approaches. Chloroplasts then reduce production of green
chlorophyll. As existing chlorophyll is broken down, other coloured
particles are revealed, creating the beautiful red- and orange-coloured
leaves we see during autumn. Th e leaves eventually die and fall off . In
the spring, increased sunlight and warmer temperatures promote the
production of new leaves containing large amounts of chlorophyll, and
the green colour returns to the leaves.
Brainiest ANSWER
“Match the form of rain to the state of rain”
Please help :(:)
Answer:
Evaporation- Water moves from liquid in lakes and oceans to gas in atmosphere
Condensation- Water moves from gas to the atmosphere into liquid in clouds
Precipitation- Water falls back to earth in liquid form (Not just liquid though- Rain, freezing rain, hail, snow,)
Explanation:
Please only respond if you know the answer and links will be reported
Krebs Cycle only i have to keep going
Answer:
Its D
Explanation:
What is the relationship between DNA mutations and the disorders? Disorders:Hemophila,Beta thalassemia, and Sickle Cell Disease
Answer:
disorders are caused by mutations of these genes
Explanation:
Inside
Outside
0
10
20.30
50
60
30
80
90 100
Time
(minūtes)
Change in
mass 19
6
0
3
2
9
33:
39
N
1.5.1
(10)
Plot a line graph of these results.
List TW nyimnmental factors that sould have caused the greater change
12
Answer:
The North produced 17 times more cotton and woolen textiles than the South, 30 times more leather goods, 20 times more pig iron, and 32 times more firearms. The North produced 3,200 firearms to every 100 produced in the south
The North produced 17 times more cotton and woolen textiles than the South, 30 times more leather goods, 20 times more pig iron, and 32 times more firearms. The North produced 3,200 firearms to every 100 produced in the south
Yuki has a bowl of ice. She places the ice in a warm room and watches as it melts into liquid water. Yuki then places the liquid water over a Bunsen burner and heats it until it vaporizes. Explain what happens to the water molecules in Yuki's experiment; from the beginning to the end of the experiment.
Answer:
ice is a solid.When heat is added it turns into a liquid,its a reversible change.As regarding to the water moleculesWhen water is heated, it expands, or increases in volume. When water increases in volume, it becomes less dense. As water cools, it contracts and decreases in volume. When water decreases in volume, it becomes more dense. For samples of water that have the same mass, warmer water is less dense and colder water is more dense.Im not sure if this helps but try it out :)
Plants take energy
from the sun
and make food, which for plants is
Answer:
Photosynthesis
Explanation:
Plants use a process called photosynthesis to make food. During photosynthesis, plants trap light energy with their leaves. Plants use the energy of the sun to change water and carbon dioxide into a sugar called glucose. Glucose is used by plants for energy and to make other substances like cellulose and starch.
Answer:
[tex]\boxed {\boxed {\sf Glucose}}[/tex]
Explanation:
Plants (plus some bacteria and algae) are autotrophs and undergo a process called photosynthesis.
They obtain light energy from the sun and capture it using a green pigment called chlorophyll, water from the soil is drawn up through the roots with capillary action, and carbon dioxide diffuses into stoma on leaves.
Then, in the chloroplast, these substances are turned into oxygen and glucose. Both of these are used in cellular respiration, which creates energy for the plant to grow and carry out cellular and biological functions. Therefore, glucose is often called "food" for the plant.