How are birds adapted for flight? A. Their body shape; B.Smooth waxy feathers; C.Hollow bones; D. Beaks
Answer:
Hollow bones is the correct answer.
Explanation:
As hollow bones makes the density of bird less than air that's why birds can fly easily
Answer:
hollow bones
Explanation:
Below are 2 sets of organisms: a bird and a butterfly and a horse and a zebra. Which 2 organisms are more closely related? *
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How does the solar system work
Answer:
Solar technologies convert sunlight into electrical energy either through photovoltaic (PV) panels or through mirrors that concentrate solar radiation. This energy can be used to generate electricity or be stored in batteries or thermal storage.
Answer:
Solar technologies convert sunlight into electrical energy even through photovoltaic PV panels or through mirrors that concentrate solar radiation. This energy can be used to generate or be stored in batteries or thermal storage.
what would be the complementary RNA strand for a portion of the DNA that reads as follows: T-A-G-A-C-G-T-A-G
Answer:
R
Explanation:
Remember that
A
is adenine,
G
is guanine,
C
is cytosine, and
T
is thymine.
The complementary RNA strand for T-A-G-A-C-G-T-A-G DNA portion is A-U-C-U-G-C-A-U-C.
What is complementary RNA?"Complementary RNA is a copy of a strand of RNA that will bind to the appropriate region of the original molecule."RNA contains nucleosides- Adenine, Guanine, Cytosine and Uracil (In DNA Thymine is present instead of Uracil)Adenine bonds with Uracil and Guanine with Cytosine.Hence, A-U-C-U-G-C-A-U-C is the complementary RNA strand.
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In this food web, energy is transferred directly between which organisms?
Answer
F
fox and owl
G
grasshopper and mouse
H
mushroom and snake
J
rabbit and ow
Answer:H mushrooms and snake
Explanation:
What does the presence of gill slits in a human embryo suggest?
Answer:
The presence of the gill slits suggests that a long time ago humans and fish shared a common ancestor. The similarities between embryos suggest that these animals are related and have common ancestors.
Explanation:
What is the success rate of implementation of transgenic embryos in surrogate dams? A) 50% B)100% C)25% D)<12.5% E12.5%
Answer:
D)<12.5%
Explanation:
Transgenic means one or more than one DNA sequences are introduced from another species by an artificial means into a surrogate dams to form a new offspring. Animals are usually make transgenic by a small sequence of the foreign DNA which is injected to the developing embryo of the surrogate mother.
The success rate for such implementation is nearly less than 12.5%, where most of the trial do not survive the injection. The surrogate mother cannot developed in most cases the implementation of one or more species into another.
How are a good chain and a good web different
Answer:
Explanation:
A food chain only follows one path of what food animals eat. A food web consists of many food chains that show how plants and animals are connected. In conclusions, a food chain focuses on a certain animal or their path and they are linear. Food webs are more complex which show how the ecosystem works together to create a balance.
Answer:
A food chain goes in one drection and a food web is more complex and is a whole system of connected food chains.
Explanation:
identify which law is newtons 1st law
Answer:
If something is at rest it will stay at rest UNTIL a force acts upon it same thing if it is moving it will go in a straight line unless an outside force is acted upon it
This law is also known as the law of inertia.
natural selection acts on
Answer:
Natural selection acts on a organism's phenotype or observable features.
Explanation:
Hope this helped Mark BRAINLIEST!!
The secret of life. The double helix. The building block of life. Deoxyribonucleic acid. These are all names for what is most commonly known as DNA. If you had to rename the molecule, what would you call it and why? Explain why DNA has so many names.
Answer: Well... I would say nucleic acid is also one
Explanation: Why DNA has so many name? Because the word DNA comes from its structure also consider as bases, Which refers to to all the sugar that brings up in the nucleic acid, and thats why I call it that.
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In Asexual reproduction an organism produces
Answer:
Identical offspring
Explanation:
Because it's not like sexual reproducton where the parents split their DNA so the offspring gets half of each of the parents DNA. Also in asexual reproduction, there is only one parent, therefore it is an identical offspring
Answer:
I think the Asexual reproduction produces offspring that are genetically identical to the parent because the offspring are all clones of the original parent. A single individual can produce offspring asexually and large numbers of offspring can be produced quickly.
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Which of the following is NOT a use of floral preservatives?
O Replenishing the food source
O Lowering the pH
O Reducing bacterial growth
O Preventing ethylene damage
The graph below shows the populations of two species from January 2010 to June 2011. One species is native to the ecosystem, while the other is a new species that was recently introduced to the ecosystem.
What is the most likely explanation for the changes to the populations of species A and species B?
Species A is a native species that preys on species B.
Species B is an invasive species that altered the balance of the ecosystem shown.
Species A is an invasive species that cannot compete with the native species in the habitat.
Species B is a native species that is able to adapt to a sudden climate change while species A cannot.
Answer:
Species B is an invasive species that altered the balance of the ecosystem shown.
Explanation
An invasive species is an introduced organism that negatively alters its new environment
we can block light by placing obstacles in its path, but it’s much more difficult to block sound. why?
Answer:
B. Sound waves can move through various mediums.
Explanation:
What is the name of the bond that is formed between a glycerol and a fatty acid
Explanation:
In a fat molecule, the fatty acids are attached to each of the three carbons of the glycerol molecule with an ester bond through the oxygen atom. During the ester bond formation, three molecules are released. Since fats consist of three fatty acids and a glycerol, they are also called triacylglycerols or triglycerides.
what is the major difference between the normal stomach cells and cancerous stomach cells of the chicken?
Explanation:
cells and cancerous chicken stomach cells, excluding interphase, which had a dramatic difference. ... The stage that held the most difference was Interphase. In normal chicken cells, the duration for interphase was 550 minutes. However for interphase in cancerous chicken stomach cells, it was 380 minutes.
factors that affect blood flow through the bone marrow
what is biological body
Answer:
A biological system is a complex network which connects several biologically relevant entities. Biological organization spans several scales and are determined based different structures depending on what the system is. Examples of biological systems at the macro scale are populations of organisms.
20 POINTS
ARE NATURAL GAS RENEWABLE OR NON-RENEWABLE?
Kenapakah sel haiwan tidak mempunyai bentuk tetap?
Answer:
kerana sel haiwan tidak mempunyai dinding sel
Set a point number of chromosomes in a human skin cell as 46 how many chromosomes are and a human egg cell?
describe the greenhouse effect
[tex] \huge\mathfrak \pink{answer}[/tex]
The greenhouse effect is a natural process that warms the Earth's surface. When the Sun's energy reaches the Earth's atmosphere, some of it is reflected back to space and the rest is absorbed and re-radiated by greenhouse gases. The absorbed energy warms the atmosphere and the surface of the Earth.
______________________In some ecosystems, wolves have been eliminated due to their threats to humans. How can the reintroduction of wolves benefit the
ecosystem?
.
A. It can eliminate weaknimals from a prey population, thereby decreasing competition for natural resources.
the prey.
B. It can eliminate the most fit animals among the prey population, which will cause an increase in birthrates
C. It can cause the prey population to migrate to other areas, resulting in more fit prey.
D. It can cause the prey population to better blend in with their environment.
Answer:
A
Explanation:
Answer:
The reintroduction of wolves can eliminate weak animals from a prey population, thereby decreasing competition for natural resources.
Explanation:
Help me please pink green yellow green
Answer:
pink green yellow green.
sorry, but I don't get yr question.
stay safe healthy and happy.A 100% of the energy that count and to an ecosystem comes in at level of the ______ which gets its energy from the sun and makes it's own food by photosynthesis
Answer:
trophic levels !!!!!!!!!!!
Which of these best describes savannas?
Answer should be A if multiple choice
Answer: sry but I don't think you added any thing but, it has little tofs of grass and pretty dry.
Suppose a trait is controlled by a gene that has one dominant allele (G) and one recessive allele (g).
Which of the following crosses would be expected to produce the greatest variety of genotypes among the offspring?
Answer:
Gg x Gg
Explanation:
Gg x Gg crosses would be expected to produce the greatest variety of genotypes among the offspring.
What is Punnett Square?A Punnett square is defined as a graphical representation of the possible genotypes of the offspring resulting from a particular cross or breeding event. Creating a Punnett square requires knowledge of the genetic makeup of the parents.
For a monohybrid cross, Punnett squares are 2X2 squares containing four boxes where each represents a fertilization event between the original gametes. While the second type is used to predict the outcome of breeding experiments where two traits are being observed and the Punnett square is large with sixteen boxes.
In the above example, if a Gg x Gg cross occurs, the genotype for the children will be Gg, which would be expected to produce the greatest diversity of genotypes among the offspring, i.e. 100%.
Thus, Gg x Gg crosses would be expected to produce the greatest variety of genotypes among the offspring.
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parent 1 genotype: hh
parent 2 genotype: hh
each hand has a straight thumb.
straight thumb: 100%. Hitchhikers thumb: 0%
punnet square:
How does gravity affects the Earth's orbit around the Sun?
Answer:
The Sun's gravitational force is like the tetherball rope, in that it constantly pulls Earth toward it. ... This means that the planet neither flies out into space nor falls into the Sun. Instead, it travels in a nearly circular motion around the Sun, creating an orbit