What's the answer please?

Answer:

c

Explanation:

choloroplast because of heterotrophic

Answer: My theory was that they both were created at the same time. So if they both were created at the same time, then I guess that would solve this whole infinite loop thing. If the chicken came first, then it had to have come from an egg. So that means if the egg came first, where did that egg come from? A chicken. So its just a whole infinite loop. So thats what I think.

Explanation: Hope this spiked your interest.

Answer:

Structure in a chromosome that holds together the two chromatids

Explanation:

The value of angle DBA is 120

Answer:C

Explanation:

i took the test

Answer:

A, D

Explanation:

I just took the test on edge

Answer:

The answer to this car is A.)It is specific to one biochemical reaction, D.)It increases the rate of a biochemical reaction.

Explanation:

Hope this helps :) !!!!!!!!!!!!!!

Answer: C

Explanation: The process that occurred in the lake is natural selection. In the presence of an external environmental influence such as pollution, only the trouts that were fit to survive or in other words those that have the alleles that help in adapting to the new conditions live and increased in numbers. In such a case, one can say the fittest of the organisms survived and the corresponding allelic frequency in that population increased over time. The organisms carrying the other alleles died due to pollution and hence the overall frequency of alleles change.

A lake is home to a large number of trout the trout will suffer from disease is most likely to happen if a chemical is dumped into the lake. The correct option is C.

Chemical pollution is the contamination of our environment with chemicals that are not naturally present.

According to scientific evidence, the trout in option will most likely suffer from disease.

Chemical pollution can harm aquatic life, including fish, by lowering oxygen levels, changing the pH balance of the water, and introducing toxins into their food chain.

Exposure to such chemicals can weaken the fish's immune system, making them more vulnerable to disease.

Option B and A is also less likely to be true because the introduction of chemicals into the water can disrupt the ecosystem's balance and affect the availability of food and oxygen, causing the trout population to decline.

Thus, the correct option is C.

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Answer:

A. These homologous structures indicate that these four organisms all share a common ancestor.

Explanation:

Homologous structures mean the organs will have similar structure, but not necessarily function (human arm vs whale's flipper). While analogous structures are similar in function but not structure (wings of an airplane vs wings of a bird). Since the question states that they are similar in skeletal structure, we know they must be homologous structures, thereby eliminating B and C. D is not a choice because the question does not provide anything about the order of evolution. Therefore the answer is A. These homologous structures indicate that these four organisms all share a common ancestor.

Hope this above pictures may helps you.

Answer:

A problem in my life that I have is when I am cooking. When I need to cook something on the stove I use butter on the pan so it won't stick. But getting out that block of butter and trying to cut a perfect slice of butter is always such a freakin hassle. So, a squeezable butter or a butter slicer mechanism that can use would be fantastic.

Or, how about when I use peanut butter. When I use peanut butter for like a PB and J I try to scrape the excess peanut butter back into the jar and whatevers left in the jar but then whats left on the knife is such a pain to wash off. so like a really good scrubber to help wash off peanut butter would be cool.                

Explanation:

I have so many life problems

Many discoveries and inventions are required for people's better health or living conditions, such as an inhaler for asthma patients, which helps and allows them to enjoy their lives, or the invention of devices such as computers, etc., which connect people all over the world.

In general, inventions have the potential to improve people's lives, solve problems, and make tasks easier or more efficient, such as the invention of digital platforms, robots, etc, that help humans in different ways. They can also contribute to the advancement of science and technology and drive economic growth and an invention can have a large impact on society and change people's lifestyles.

As a result, numerous discoveries and inventions are required for people's better health or living conditions, such as an inhaler for asthma patients, which helps and allows them to enjoy their lives, or the invention of devices such as computers, etc., which connect people all over the world.

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Answer:

D) It replaces a defective gene with a healthy gene

Explanation:

Gene therapy is the process of replacing defective genes with healthy ... genes to help the body fight or treat disease, or deactivating problem genes.

Answer:A

Explanation:

Answer:

Enzymes allow many chemical reactions to occur within the homeostasis constraints of a living system. Enzymes function as organic catalysts. A catalyst is a chemical involved in, but not changed by, a chemical reaction. Many enzymes function by lowering the activation energy of reactions.

Explanation:

- Eijiro <3

Answer:

It's the fourth one:

Phenotypes are usually the result of a combination of genes and influence of the environment.

Explanation:

Genes and the environment both affect phenotype.

Phenotypes are usually the result of a combination of genes and the influence of the environment.

In biology, a gene  is a basic unit of heredity and a sequence of nucleotides in DNA that encodes the synthesis of a gene product, either RNA or protein.

During gene expression, the DNA is first copied into RNA. The RNA can be directly functional or be the intermediate template for a protein that performs a function. The transmission of genes to an organism's offspring is the basis of the inheritance of phenotypic traits. These genes make up different DNA sequences called genotypes. Genotypes along with environmental and developmental factors determine what the phenotypes will be. Most biological traits are under the influence of polygenes (many different genes) as well as gene–environment interactions. Some genetic traits are instantly visible, such as eye color or the number of limbs, and some are not, such as blood type, the risk for specific diseases, or the thousands of basic biochemical processes that constitute life.

Genes can acquire mutations in their sequence, leading to different variants, known as alleles, in the population. These alleles encode slightly different versions of a protein, which cause different phenotypical traits. Usage of the term "having a gene" (e.g., "good genes," "hair color gene") typically refers to containing a different allele of the same, shared gene.Genes evolve due to natural selection / survival of the fittest and genetic drift of the alleles.

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Answer:

The main function of the circulatory (or cardiovascular) system is to deliver oxygen to the body tissues, whilst simultaneously removing carbon dioxide produced by metabolism.

C. They are caused by the sun's changing magnetic field.

D. They are explosive events that can affect Earth.

Explanation:

I'm sorry if it is wrong but I am almost 100% that it is correct!

Have a good one!

The  solar flares and coronal mass ejections are caused by the sun's changing magnetic field. Also they are explosive events that can affect Earth. The correct options are C and D.

A solar flare is a massive explosion on the Sun caused by the sudden release of energy stored in 'twisted' magnetic fields.

However, not all solar flares are safe. While the Earth's magnetic field protects us from solar radiation, the sheer electromagnetic power of a flare disrupts power grids, internet connections, and other communication devices.

Ejections occur at varying rates depending on the phase of the solar cycle, ranging from about 0.2 per day near the solar minimum to 3.5 per day near the solar maximum.

Coronal Mass Ejections are large plasma and magnetic field expulsions from the Sun's corona.

The sun's changing magnetic field causes solar flares and coronal mass ejections. They are also explosive events that can have an impact on Earth.

Thus, the correct options are C and D as per the given scenario.

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Answer:

All living organisms share several key characteristics or functions: order, sensitivity or response to the environment, reproduction, growth and development, regulation, homeostasis, and energy processing. When viewed together, these characteristics serve to define life

Explanation:

Answer:

It is where images are formed.

Explanation:

The retina has two light sensitive cells;

rods- responsible for dim light.

cones- responsible for bright light

Answer:

Antibiotic resistance is a consequence of evolution via natural selection.

Explanation:

The antibiotic action is an environmental pressure; those bacteria which have a mutation allowing them to survive will live on to reproduce. They will then pass this traits to their offspring which will be fully resistant generation

For a mutation to affect evolution, it must provide a benefit to the organism. Hence option A is correct.

In order for a mutation to have an effect on an organism’s progeny, it must: occur in the next generation’s cells and affect the inherited material, impact the environment, and generate diversity among species.

They result in novel proteins that allow organisms to adapt to environmental changes. Mutations that are beneficial are necessary for evolution to take place. Mutations that enhance an organism’s ability to survive or reproduce are likely to increase in frequency over time.

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Answer:

The Moon moves around Earth until the Moon is between the Sun and Earth.

Explanation:

the answer is A and D

Answer:

creo que es la c

A

Explanation:

i think i got this one right

Answer:

brainliest

Explanation:

....

Answer: Just trust the weather since power didn't go out yet.

As the months pass, the table shows that the number of bats also causes an increase in the number of cactus flowers and fruit.

The cactus fruit don't seem to form in large number until the cactus flowers are also going up more in number. This is because pollination is necessary to form the fruit.

Based on this information:

The more bats in the population, the more pollination takes place, and the more cactus fruit is available as a result.

However, if the bats hit carrying capacity, they will be at a population number that is now bad for the number of cactus fruit, since there won't be enough food to feed the population- as more bats eat more fruit, the cactus isn't able to keep up with growing enough fruit to feed the bats at carrying capacity.

Carbon dioxide is the focal point of climate models. The correct option is B.

Climate models, also widely recognized as general circulation models, employ mathematical equations to describe how matter and energy interact in various areas of the ocean, atmosphere, and land.

Its focal point is carbon dioxide that can correlate with sea ice, heat and salinity exchange, and phase changes.

Thus, the correct option is B.

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