Male produces signals of bright red, yellow epaulets and long tails.
Males produce bright red and yellow epaulets as well as chevrons on their wings. These bright epaulets attracts the female of this species and helps in the sexual activity of widowbird species.
The males of several widowbird species also grow long tail feathers about half a meter in length. The long tail is favored by sexual selection through female choice of mates. Female prefer long tails red-collared widowbird so we can conclude that male produces signals of bright red, yellow epaulets and long tails.
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True or false The further you go back in a family tree the more changes you would expect
to find in a conservative gene.
la verdad que
Explanation:
The presence of a cholesterol in the plasma membrane of some animals
Answer:
The amount of cholesterol in animal plasma membranes regulates the fluidity of the membrane and changes based on the temperature of the cell's environment. In other words, cholesterol acts as antifreeze in the cell membrane and is more abundant in animals that live in cold climates.
The Moon's repeated pattern of movement and changes in appearance is known as the revolution .It is due to the Moon?
Answer:
No, the patterns are made by the light of the sun that reflects on the moon. The darker part of the moon is caused by the shadow of the earth.
A tapeworm attaches to the wall of its host’s intestine and starts to absorb the host’s nutrients. Eventually this can cause great harm to the host as the host loses many important nutrients.
Which type of infectious agent is a tapeworm?
a virus
a bacterium
a fungus
a parasite
Answer:
a parasite
Explanation:
this is because it survives within other organisms, known as the host.
Answer:
D) A Parasite
Explanation:
It said in the lesson: Parasite - an organism that lives on/in another organism and harms it
And this is what the tapeworm is doing.
Have A Great Day!!! :):):)
which is true about a daughter cell produced by mitosis
Answer:
what are the options?
Explanation:
Answer:
it contains no DNA
What's the meaning of morphological in swine?
How many chromatids does a human somatic cell contain at the end of G2 phase just prior to mitosis?
Proszeee o poommoooc
Answer:
Explanation: Proszeee o poommoooc
(01.07 MC) worth 50 points
Fracking uses highly pressurized fluids, such as water mixed with sand and chemicals, to drive open cracks that exist in underground rock. Which statement
best describes an environmental consequence of this process for ecosystems?
O Wastewater is contaminated with oil and becomes sludge in landfills
O Water vapor is released into the air, which is considered a greenhouse gas,
Heavy metals are released into surrounding soil, poisoning local vegetation
O Billions of gallons of water are pulled from surrounding areas
The correct answer is that chemicals added to the liquid can contaminate groundwater.
Fracking is a method of drilling fossil energy resources, which requires a lot of water and consumes local water resources. It is pumped with high pressure water, sand and chemicals, causing high pressure to block the porous rock and release gas.
The water spill itself destroys nature from the drilling site, and may even cause earthquakes, especially due to the pumping of abundant wastewater into porous rock types such as limestone. For example, Oklahoma appears to have become a special earthquake risk area. The biggest impact of water distortion is on groundwater. In Wyoming, USA, the same chemicals found in groundwater have been found in groundwater, and some of them are toxic or carcinogenic.
Answer:
the answer is A
Explanation:
Fracking is a method of drilling fossil energy resources, which requires a lot of water and consumes local water resources. It is pumped with high pressure water, sand and chemicals, causing high pressure to block the porous rock and release gas.
The water spill itself destroys nature from the drilling site, and may even cause earthquakes, especially due to the pumping of abundant wastewater into porous rock types such as limestone. For example, Oklahoma appears to have become a special earthquake risk area. The biggest impact of water distortion is on groundwater. In Wyoming, USA, the same chemicals found in groundwater have been found in groundwater, and some of them are toxic or carcinogenic.
why do muscle cells have more mitochondria than the other types of cells?
Answer:
Muscles require more and quicker release of energy.
Explanation:
Muscles need energy quickly and in high amounts so more mitochondria are needed to fulfill this energy demand.
Is a scorpion a keystone species
Answer:
Keystone Species: Kangaroo Rat Keystone species are species whose presence and role within an ecosystem has a disproportionate effect on other organisms within the system. Hawk (predator)/lizard (prey). scorpion (predator)/insect (prey). if their is no relationship between these two then the scorpions will die off and the insects will thrive.
Explanation:
Please check out my question
IF a man with blood type A, one one of whose parents had blood type O, marries a woman with blood type AB, what are the putative genotypes of the offspring?
Answer:
The 1st child will surely have AA,The 2nd might have AB/OB and the last one will surely have OB
Explanation:
I studied at school like 2 yrs ago
I am sure
Answer:
If the man has blood type A one of whose parents had blood type O then he must be having the genotype IAi and the woman with blood group AB would have genotype IAIB. So if they produce offspring than the putative genotype of the offspring would be IAIA, IAi, IAIB, and IBi.
Explanation:
IA i
IA IAIA IAi
IB IAIB IBi
Therefore out of four offspring, two offspring would be having A blood group, one offspring would have AB blood group and one offspring would have B blood group.
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What would be the complimentary strand for the DNA sequence
ATAACGA
Is phrenology an example of science or
pseudoscience? Explain your answer.
Answer:
Pseudoscience
Explanation:
Phrenology is an example of pseudoscience. It is the belief that studying the conformation of the skull reveals the character traits and mental faculties of an individual, a conclusion not at all rooted in fact but nevertheless studied and pursued as such thereby giving a false sense of being based in scientific methods.
Answer:
Pseudoscience
Explanation:
Phrenology is an example of pseudoscience because Gall held beliefs and ignored any information that didn't align with his beliefs. This is a direct example of Gall using pseudoscience and testing his hypothesis with bias through his belief.
can some one answer this questions please
How many different types of tissue cells are there in humans?
A. 2,000
B. 20,000
C. 20
D. 200
Answer:
200
.........................................
Which end of an earthworm contains an organ that can detect smells?
Answer:
The anterior (front) end of an earthworm contains an organ that can detect smell.
:)
________________________ happen when pairs of bonded bases in a double strand of DNA get replaced with different pairs.
_________________________ happen when extra base pairs are included in an existing DNA sequence.
_________________________ happen when base pairs in an existing DNA molecule get removed from it.
Fill in the blanks correctly
Answer:
Explanation:
A base pair is two chemical bases bonded to one another forming a "rung of the DNA ladder." The DNA molecule consists of two strands that wind around each other like a twisted ladder. Each strand has a backbone made of alternating sugar (deoxyribose) and phosphate groups. Attached to each sugar is one of four bases--adenine (A), cytosine (C), guanine (G), or thymine (T). The two strands are held together by hydrogen bonds between the bases, with adenine forming a base pair with thymine, and cytosine forming a base pair with guanine.
Does the size of the vulva change by age or does it remains the same as it is since after birth?
Answer:
The shape and appearance of the vulva naturally change over the years.
Explanation:
The shape and appearance of the vulva naturally change over the years. The most obvious changes are linked to hormonal changes, occurring at puberty, during the menstrual cycle, in pregnancy and around menopause.
An individual with androgen insensitivity syndrome will:
A. Not be feminized at puberty
B. Prefer a female sexual partner
C. Not function sexually as an adult
D. Have female external genitalia
Answer:
D I think. i am not completely sure.
An individual with androgen insensitivity syndrome will have female external genitalia, which is option D, as androgen insensitivity syndrome (AIS) is a genetic condition in which an individual's cells are unable to respond to androgens.
What is androgen insensitivity syndrome?Androgen insensitivity syndrome (AIS) is a genetic disorder in which an individual's body is unable to respond properly to male sex hormones, called androgens. The condition is caused by mutations in the gene that codes for the androgen receptor, which is a protein that binds to androgens and enables them to activate certain genes. In individuals with AIS, the androgen receptor either doesn't work at all or doesn't work properly, which leads to a range of physical changes that can vary in severity depending on the degree of androgen insensitivity.
Hence, An individual with androgen insensitivity syndrome will have female external genitalia, which is option D.
Learn more about androgen insensitivity syndrome here.
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how is a snake biotic
Answer:
The term biotic factors refers to the way in which an organism -- such as a snake -- interacts with its environment or ecosystem. ... Biotic factors of snakes involve how they impact the necessary balances that make their ecosystem function, especially with regard to a snake's role as both predator and prey.
what are the production characteristics of hampshire swine?
They have erect ears. The belt is a strip of white across the shoulders that covers the front legs around the body.
How does the anatomy of mitochondria allow it to do
cellular respiration?
Answer: Mitochondria have an important role in cellular respiration through the production of ATP, using chemical energy found in glucose and other nutrients.
please help me, i’ll give brainlist and points please don’t be one of those people that go “link below”
Answer:
The answer is 4.
Explanation:
First step :)
What are the two most common types of secondary structure found in proteins?
1- α-helices and β-arrays
2- double stranded helices and β-arrays
3- α-helices and β-pleated sheets
4- β-spirals and α-turns
Answer:
1- α-helices and β-arrays
Can anyone help me with this science question
Answer:What the text is telling you is about scientist and
it may help you learn about scientist is in a lead work
Explanation:
4. What factors might affect bone strength?
Answer:
Bone strength is influenced by changes in the structure (size and shape) and composition [cortical (compact) bone, trabecular (sponge-like) bone, amount of cartilage] of the bone. 6 A high peak mass at a young age and the decrease of bone loss at a later age are two ways to reduce osteoporosis risk.
Explanation:
Answer:
Bone need enough Calcium
Explanation:
The amount of calcium in your diet. A diet low in calcium contributes to diminished bone density, early bone loss and an increased risk of fractures.
Physical activity. ...
Tobacco and alcohol use. ...
Sex. ...
Size. ...
Age. ...
Race and family history. ...
Hormone levels.
gg Calcium ions are released into the myofibrils by the __________, when activated by an impulse from a motor neuron.
Answer:
sarcoplasmic reticulum
Which of the following would have hydrophobic interactions with the hydrophobic amino acid phenylalanine?
the negatively charged amino acid glutamate
the positively charged amino acid arginine
the hydrophobic amion acid isoleucine
the polar amino acid serine
Which of the following would have the strongest interaction with the negatively charged amino acid aspartate?
the negatively charged amino acid glutamate
the positively charged amino acid arginine
the hydrophobic amino acid isoleucine
the polar amino acid serine
Which of the following would have the strongest interaction with the positively charged amino acid lysine?
the negatively charged amino acid glutamate
the positively charged amino acid arginine
the hydrophobic amino acid isoleucine
the polar amino acid serine
Answer:
polar
Explanation:did the test g
what is the main reason scientist do experiments?
A) to find out if a hypothesis is correct
B) to provide jobs for scientists
C) to find different ways to use lab equipment
D) to educate science students
