Answer:
Invaded their habitats and hunted them
Explanation:
the diagram shown represents a dihybrid cross between two pea plants heterozygous for both seed color and seed shape.
what is the phenotypic ratio of the offspring?
A. 1:1:1:2:2:2:2:4
B. 1:3:3:9
C. 1:4
D. 4:12
Answer:
1:3:3:9
Explanation:
There are 12 yellow seeds, from which 9 are smooth and 3 are rough.
There are 4 green seeds, from which 3 are smooth and only 1 is rough.
Both the appearance and color of the seeds is something you need to look out for when dealing with phenotypes.
The phenotypic ratio of this dihybrid cross will be 1:3:3:9.
What is phenotype?The term phenotype simply refers to a trait that may be observed. Pheno means observe and is derived from the same root as "phenomenon." As a result, it's a sort of organism that can be seen, and it may relate to anything from a common characteristic like height or hair color to the presence or absence of disease.What is dihybrid cross?A mating experiment between two animals that are identically hybrid for two features is referred to as a dihybrid cross. A heterozygous organism is one that possesses two distinct alleles at the same genetic location, or locus.The cross between a homozygous pea plant with round yellow seeds and wrinkled green seeds is an example of a dihybrid cross.RRYY alleles are found in round yellow seeds, while rryy alleles are found in wrinkled green seeds.Hence the correct option is B.
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Giraffes are herbivores that initially had shorter necks. They are found in grasslands and areas where trees grow tall. To feed on leaves from tall trees, giraffes had to stretch their necks. This behavior paved the way for
of giraffes with longer necks. A giraffe’s long neck is a
adaptation.
This behavior paved the way for natural selection of giraffes with longer necks. A giraffe’s long neck is a structural adaptation.
Zero elevation is also known as
A. peak
B.profile
C.sea level
D.base
Leukemia is a malignant progressive disease in which the bone marrow and other blood-
forming organs produce increased numbers of immature or abnormal white blood cells.
Which statement about cell cycle checkpoints describes how this disease occurs?
A Dysfunctional checkpoints may lead to abnormal cell growth.
B Defective checkpoints result in death of a cell.
C Normal checkpoints assess damage to cancer cells.
D Cell checkpoints fail only in meiosis.
What would this be.
Answer:
A Dysfunctional checkpoints may lead to abnormal cell growth.
Explanation:
One of the hallmarks of cancer is unregulated cell proliferation. This means cells keep dividing, producing large numbers of often abnormal cells.
There are many of ways this can happen, such as increased signals telling the cells to divide, and dysfunctional cell cycle checkpoints that do not stop the cell from dividing. This leads to the accumulation of mutations and abnormal cell growth.
A mother and daughter are both talented pianist. Give an inherited trait and learned trait would lead to this similarity
Answer:
long fingers or slim hands i think would make sense for inherited trait and learned trait would be the mother teaching the daughter how to play piano
Where are you most likely to find ligaments in the body?
A joints between long bones
B joints between two or more irregular bones
C joints between a long bone and a short bone
D joints between muscles and bones
Answer:
( A. joints between long bones )
Answer: joints between long bones
Explanation:
A cell of an organism has four chromosomes.It undergoes a process at the end of which two daughter cells are produced. Each daughter cell has four chromosomes. Which process is described?
a.fertilization
b.meiosis
c.mitosis
Producers transform light energy into chemical energy. True or false
False.................
Show work
13.5mm = ?m
You are a scientist and would like to know if a new fertilizer will help plants grow faster. What would the control group be?
A)The group that gets only water, no fertilizer
B)The group that gets water and fertilizer
Answer: The group that gets only water no fertilizer
Explanation:
The control group does not have an additive
The control group will be the group that gets only water, no fertilizer. Thus, option A is correct.
What is function of fertilizer ?
An additional organic or inorganic substances which is added to soil or plants to increase the crop productivity is called as fertilizer.
It contain plant growth promoting nutrients like nitrogen, potassium, and phosphorus; For example, urea, anhydrous ammonia, etc.
The organic fertilizer is derived naturally from plants and animals. It enriches the soil nutrient level, encourage microbial reproduction.
Organic fertilizers are Agricultural Waste, Manure, municipal sludge etc.
Inorganic fertilizers generated chemically contain inorganic nutrients for crop growth; It can be up two types.
Nitrogen fertilizers where nitrogen is the primary element as it is constituent of chlorophyll, maintain the process of photosynthesis, thus improve the crop production.
Phosphorus fertilizer, increases the plant root growth as the protoplasm of the cell contains phosphorus, important for cell growth and proliferation.
Thus, option A is correct.
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Which property of argon makes it useful for potassium-argon dating?
It decays into potassium.
It is an unstable element.
It remains trapped in rock.
It is useful only for dating newer rock.
Answer:
The correct answer is c, plz give me brainlest
Explanation:
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A property of argon that makes it useful for potassium-argon dating is that it decays into potassium. Thus, the correct option for this question is A.
What is Radioactive dating?Radioactive dating may be defined as a type of methodology for dating rocks and minerals with the help of radioactive isotopes. This method is useful for igneous and metamorphic rocks, which cannot be dated by the stratigraphic correlation method used for sedimentary rocks.
Potassium-argon dating is a method of determining the time of origin of rocks by estimating the ratio of radioactive argon in order to radioactive potassium in the rock. This dating method is typically based on the decay of radioactive potassium-40 to radioactive argon-40 in minerals and rocks.
Therefore, a property of argon that makes it useful for potassium-argon dating is that it decays into potassium. Thus, the correct option for this question is A.
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Usain bolt was on his way to run a race. Before he left the house, his friend gave him annapple and said this will help you win the race. Explain how eating the apple will benefit the runner.
Answer:
It will help him because firstly,an apple is a vitamin and according to the six classes of food, vitamin's function to the body is to help fight disease and harmful organism therefore making you strong.So if Usain bolt eats that apple it will make him strong. (Reminder: pls follow me and i will follow u oo)
what is the point on an object where the force of gravity is considered to act A. center of mass B. top of an object C. middle of the object D. center of gravity
Answer:
D. Center of gravity.
Explanation:
Gravity always acts downward on every object on earth. Gravity multiplied by the object's mass produces a force called weight. Although the force of an object's weight acts downward on every particle of the object, it is usually considered to act as a single force through its balance point, or center of gravity.
Answer:
D. center of gravity
Explanation:
Which of the following is true about ecology? (1 point)
Ecology is a philosophy that seeks to limit harm to the natural world.
Ecology is a practice that emphasizes preservation of life.
Ecology is an area of study that focuses on interactions in nature.
Ecology is a strategy for sustainable living.
Answer:
c
Explanation:
Ecology is an area of study that focuses on interactions in nature.
Answer:
The answer is choice C
Explanation:
All the ohther answers are techniqually not "studying"
What is the percentage size difference between the giant dragonfly and the modern dragonfly?
Answer:
Giant Dragonfly - 2.5 FEET
Modern Dragon Fly - 1-4 Inches.
Explanation:
Size Difference in Percentage: The Giant Dragonfly is 250% - 160% bigger than the Modern Dragonfly.
Explanation:
The Giant Dragonfly is 250% - 160% bigger than the Modern Dragonfly.1
how can vaccinating individual people will help protect a whole population from malaria
Answer:
This is where Herd Immunity comes into play. Herd Immunity occurs when enough people become immune to a disease that it is unlikely to spread, even to those not vaccinated. Though you should get vaccinated if you can just to be safe.
Explanation:
Definition of toxins
Answer:
A poisonous substance that is a specific product of the metabolic activities of a living organism and is usually very unstable.
Explanation:
A student examining an unknown cell under a microscope notes it has a cell wall, cytoplasm, and genetic information contained within a nuclear membrane. Which inference would be correct?
Since the cell possesses a cell wall and genetic information, it has to be an animal cell.
Since the cell contains genetic information, it has to be a bacteria cell and prokaryotic.
Since it possesses a cell wall and DNA contained in a nuclear membrane, the cell must be eukaryotic.
Since the DNA is contained in a membrane and not in the cytoplasm, the cell must be a plant cell
Answer:
Since it possesses a cell wall and DNA contained in a nuclear membrane, the cell must be eukaryotic
Explanation:
Since the cell possesses a cell wall and genetic information, it has to be an animal cell.
-this is a plant cell because of the cell wall
Since the cell contains genetic information, it has to be a bacteria cell and prokaryotic.
-prokaryotes don't have DNA contained in a nuclear membrane
Since it possesses a cell wall and DNA contained in a nuclear membrane, the cell must be eukaryotic.
- DNA contained in a nuclear membrane --> eukaryototic
- cell wall --> plant cells, which are eukaryotic
Since the DNA is contained in a membrane and not in the cytoplasm, the cell must be a plant cell
-DNA is contained in a membrane should not lead to the conclusion that it's a plant cell, as it could be an animal cell too
Why do scientists try to repeat other scientists’ experiments?
to test if the instruments in their labs are working properly
to practice following the procedures
to try to improve the first scientist’s work
to see if the original results are reproducible
Answer:
d) to see if the orginal results are reproducible.
in which direction is heat being transferred?
Answer:
And unless people interfere, thermal energy — or heat — naturally flows in one direction only: from hot toward cold. Heat moves naturally by any of three means. The processes are known as conduction, convection and radiation. Sometimes more than one may occur at the same time.
Explanation:
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After a forest fire what would be the first change in a forest?
Pioneer species are established
A climax community is established
Wind carries seeds to the area and plants grow from these seeds
New soil forms from rock
Answer:
The answer is C: Wind Carries seeds to the area and plants grow from these seeds.
Explanation:
Parents with the genotypes AO and AB have a child. What are all the possible blood types of the child?
Answer:A positive, B positive
Explanation:
Mia conducted a five hour experiment. She used a liquid solution. The solution decreased by 9/8 ounces every hour for 5 hours. At the end of the experiment, there were 99/8 ounces of the solution remaining. How many ounces of solution did Mia start with? *
Given:
The solution decreased by [tex]\dfrac{9}{8}[/tex] ounces every hour for 5 hours.
Remaining solution at the end of the experiment = [tex]\dfrac{99}{8}[/tex] ounces.
To find:
The initial amount of solution.
Solution:
Let the initial amount of the solution be x.
The solution decreased by [tex]\dfrac{9}{8}[/tex] ounces every hour for 5 hours.
Total decreased amount [tex]=\dfrac{9}{8}\times 5[/tex]
[tex]=\dfrac{45}{8}[/tex]
Initial amount = Remining amount + Decreased amount of solution.
[tex]x=\dfrac{99}{8}+\dfrac{45}{8}[/tex]
[tex]x=\dfrac{99+45}{8}[/tex]
[tex]x=\dfrac{144}{8}[/tex]
[tex]x=18[/tex]
Therefore, the initial amount of solution is 18 ounces.
HELP PLZZ
Lipids have several functions, which include
A.protection from water loss
B.control chemical reactions
C.help fight disease
D.insulation
Answer:
D . Insulation
Explanation:
(will give brainliest if correct)
Which resource is sometimes unpredictable in terms of energy production?
coal
wood
gasoline
natural gas
Answer:
Coal and/or wood
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Sickle cell anemia is a genetic disease that affects the red blood cells. Your red blood cells are typically donut shaped
and have the job of carrying oxygen around your body. In people with sickle cell anemia, the blood cells become
crescent-shaped and are thick and sticky. They are not as able to carry oxygen, and can even get clogged in the blood
vessels blocking the flow of blood, and therefore oxygen to organs, causing pain and organ damage.
Sickle cell is caused by a genetic mutation that changes a single glutamic acid to valine in the 6 th amino acid position.
Examine the codon chart provided above (for #s 3-5), and determine what mutation likely occurred to cause the
change from glutamic acid (GLU) to valine (VAL). To help get you started, it is helpful to know that a person with
NO sickle cell at amino acid #6 has a DNA code of CTC. (4pts)
Normal RNA: ____________, Normal amino acid made: ___________
Mutated RNA: ___________, Mutated amino acid made: ___________
What type of mutation is this? ________________________________
In cells, the production of proteins is handled by the ribosomes and endoplasmic reticulum, while the processing and packaging of proteins is handled by the _________ body.
A) Golgi
B) nuclear
C) plastid
D) cytoplasmic
The answer is A: Golgi.
This is because the Golgi apparatus modifies, sorts, and packages different substances for secretion out of the cell, or for use within the cell.
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Answer:
Adaptation i believe, we just went over that last unit
Explanation:
Which is not an example of matter and energy cycling three living things
Answer:i'm going with 1 or b
Explanation:
I need help Please help me?!
Answer:
Potential Energy is energy matter has when still.
Kinetic Energy is energy in motion.