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lighter bleeding, and others may skip their periods entirely. An abnormal lapse in monthly menstruation

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Answer:

A photosynthesis pigment ( accessory pigment ; chloroplast pigment ; antenna pigment ) is a pigment that is present in chloroplasts or photosynthetic bacteria and captures the light energy neccessary for photosynthesis.

Explanation:

hope it is helpful to you ☆

The five evidences that support the theory of evolution are: Fossils, Anatomy, Embryology, Molecular Biology (or Biochemistry), and Biogeography.

Fossils show the physical change in a species over time, suggesting evidence for evolution. For an example, we can trace the origins of dolphins and whales all the way to a four-legged, dog-like hoofed mammal from about 50 mya. These mammals were fish eaters and so decided to spend a lot of time in the water. In fact, they spent so much time in the water, that in a few million years, they evolved a longer body and webbed feet. Then another few million years passed and they swapped their webbed feet for flippers and swapped their tail of a fin. Eventually, we get a fish-like mammal that once walked on land.

For anatomy, or structures, there's three types of structure comparisons: Homologous structures, Vestigial structures, and Analogous structures (or Convergent Evolution). Homologous structures show similarities between the structures between species, but serve different purposes. For an example, all mammals share common features within their arms, such as having 5 fingers. However, they serve different purposes, from whale fins for swimming, to bat wings for flying, to human hands for grabbing and for using tools.

Vestigial structures were structures that once served a purpose and have been reduced in size/power to the point where it's useless. For an example, large theropods such as the T. Rex spent so much time evolving more jaw muscles and biting power, that they sacrificed their arm muscles for such power. This explains why their arms were so short.

Another example would be ratites, flightless birds such as ostriches, emus, and cassowaries (penguins and kakapos are from a different group). They spent so much time evolving powerful legs as well as evolving in size, that there was no need to fly when they could just run with their improved legs. And also the fact that they're too heavy to even fly anyways.

Analogous structures is the similar functions of structures between species, but have separately evolved these functions. For an example, the wings from insects, birds, bats, and pterosaurs are very similar in shape and can be used to fly, but they've evolved separately. For an example, birds use feathers to fly while bats and pterosaurs use/used (pterosaurs are extinct) membrane between their bones to fly. Although they do have strikingly similar evolutionary histories, with their ancestors starting off as tree dwellers, they've evolved their flight abilities separately during different earth periods.

Embryology is evidence for evolution by using embryos from different species to suggest a common ancestor. For an example, we can prove that we're more related to whales than to fish by using embryos. The fish embryo will evolve gills while the embryos of humans and whales will not, since we do not breath by extracting oxygen from water.

Molecular biology is a more recent way of providing evidence for evolution. By taking the DNA from cells from different species, we can get an estimate of how related one species is to another. The more similar amino acid sequences are between species, the more recent their common ancestor is. For an example, by comparing amino acid sequences between humans and chimpanzees, we get an estimated amount that we once shared a common ancestor seven million years ago. Without molecular biology, we would still be digging for fossils to find that number.

Biogeography is the geographic distribution of species on earth that can be explained by evolution. For an example, we can tell that Australia separated first from Pangea rather than Asia or North America since Australia doesn't have bears while the Asia and North America do, with China having pandas and North America having brown and black bears. And also with the fact that Australia is the only continent with monotremes (egg-laying mammals like the platypus).

Similar to biogeography, there's also direct observation, which is evolution that has happened in our own eyes. An example would be the underground London mosquito. Mosquitoes usually target birds like pigeons. But after an underground tunnel was built in London, some mosquitoes managed to get inside and instead of birds, they targeted, mice, rats, and of course, humans. After only a few hundred years, a mosquito from the underground tried to mate with another mosquito from land and they could not, simply because they were different species. This shows that their new choice of feeding on mammalian blood has actually altered their DNA and created a new species, during the existence of humanity!

Answer:

it makes blood cells. :) have a nice day!

Answer:

Telephone instrumentes, plastic toys Cooker handles, carry bages, ball point penos, plastic bowles plastic covering on electrical wired plastic chairs, electrical switches.

Answer:

dynamic equilibrium is the answer.

Dynamic - motion

Equilibrium - no net change

Answer:

Folic acid

Explanation:

Antibacterial drugs helps fight the bacterial infections. these drugs helps release essential amino acids by impairing the production of folic acids in bacterial cells. Bacteria infection may get severe and hazardous if they are leave untreated.

Answer:

Classification keys are tools that provide a means to correctly identify different organisms, based on observable traits. A dichotomous key is a listing of specific characteristics, such as structure and behavior, in such a way that an organism can be identified through a process of elimination.

Answer:

what is the question

Explanation:

Answer:

Where are statement

Explanation:

Please tell

Answer:

1) Stomatal Transpiration

2) Lenticular Transpiration

3) Cuticular Transpiration

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Answer:

Mix scraps of meat (the older, the better) with something sweet. Lots of people swear by using rotten fish or shrimp, which probably work best because they smell so much. Bait for Fruit Flies: Use fruit (the riper, the better), apple cider vinegar, fruit juice, syrup, wine, beer, or any combination

Answer:

the atoms are molecules that react with each other, they're called reactants

Explanation:

Answer:

female reproductive call are called ova

Answer:

False

Explanation:

Water pollution is caused by factory workers

Answer:

I think it's A

Explanation:

it is because the populations of trees are decreasing as deforestation continues, so there is less resistance to greenhouse gases. please correct me if I'm wrong

Answer:

Integrin molecules serve as stable, permanent anchors that anchor a cell to the extracellular matrix.

Explanation:

Integrins are transmembrane protein receptors that attach the cell cytoskeleton to the extracellular matrix (ECM) in animal cells. These glycoproteins (integrins) are highly dynamic heterodimeric molecules that anchor cells in their position and transduce signals into and out of cells. Integrin-ligand binding activates signaling pathways that are involved in fundamental cellular functions including, among others, organization of the cell cytoskeleton, cell migration, regulation of the cell cycle, etc.

The statement i.e. not true is Integrin molecules serve as stable, permanent anchors that anchor a cell to the extracellular matrix.

The following information should be considered:

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Endosymbiosis occurs when larger prokaryotes envelop prokaryotes that perform aerobic metabolism (later known as mitochondria) and prokaryotic cells that do photosynthesis.

These "now" mitochondrion's "came to realise" that they really can not live without the bigger prokaryotes that swallowed them, and therefore they stayed with them. 

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Answer: Some data related to your question is missing attached below is the data.

answer:

Explanation:

It is possible to know the genotypes of the Children ( three of them )  and their genotypes are ; Hh, Hh, Hh

Their shapes should be shaded as well and this because the (3) children posses the dominant allele H in their genotype composition .

Some records associated with your query is lacking connection underneath are the records.

It is feasible to recognize that their genotypes shapes have to be shaded as properly.

Genotype is an individual's series of genes. The time period can also talk over with the 2 alleles inherited for a selected gene. The genotype is expressed whilst the records encoded withinside the genes' DNA are used to make protein and RNA molecules.

Thus it is clear that the above answers are well explained.

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Tragedy is when a person feels distress due to some event or something. There can be various tragedies a person might face in his life.

In a persons life tragedy might represent an event which causes an unhappy feeling or emotional distress.

This also represent a situation which every one wants to avoid, no one welcomes a tragic event with happiness or joy.

The most annoying tragedy is a trash pile which is stinking in the backyard. A person will have to remove the pile so that the there is less pollution.

The correct answer is Trash pile in a person's backyard.

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Answer:

it is Plastic trash in the neighborhood park

Explanation:

tragity of the colloms means a problem in which every individual has an incentive to consume a shared resource, but at the expense of every other individual, depleting or spoiling the shared resource by their collective actions. SOO YEA SORRY ABT THAT OTHER GUY >:)

Answer:

Yeast cells likely do not have receptors that bind to this specific water-soluble mouse hormone

Explanation:

Receptors are molecules capable of binding specific signaling molecules (i.e., ligands). For example, steroid receptors can only bind to specific steroid hormones (e.g. estrogen, progesterone). Plasma membrane receptors are protein receptors that bind to water-soluble ligands. These receptors are embedded in the cell plasma membrane and usually contain several transmembrane domains. Examples of cell membrane receptors include G protein-coupled receptors (GPCRs), enzyme-linked protein receptors and ion channel receptors.

Answer:

Fermentation is a metabolic process that produces chemical changes in organic substrates through the action of enzymes.......I am sure this is helpful for you....And have you a great future.....study well plz....first you read your book.....

The correct answer would be that substance A is rice, and substance B is sugar.

For substance A to be filtered out, it means that A is a water-insoluble substance and for substance B to be recoverable by evaporating off the water, it means that B is water-soluble.

Thus, A can neither be sugar nor alcohol because neither can be recovered by filtration. Also, B can neither be coffee nor alcohol because they can not be recovered as residue through evaporation of water.

Therefore, the only correct answer is that substance A is rice, and substance B is sugar because rice can be filtered out from water while the water-soluble sugar can be recovered by evaporating the water.

More about separating mixtures here: https://brainly.com/question/2827008

Answer:

substance A is rice, and substance B is sugar.

Explanation:

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It's option B.

I'm sure about that.

B. A one-way tube with a separate mouth and anus and accessory organs.

Answer:

nucleus

Explanation:

Answer:

option 2. 2.1.3.4.5

Explanation:

This is the accurate answer... that is the correct steps of mitosis