B. Mark True or False statements
3. Seeds can germinate without water.

Answer:

If the temperature increases, then lizards become more active.

Explanation:

Answer:

The additional exposure of soil layers.

Explanation:

Antibiotics are administered by humans, so less contact with humans won't cause an increased use of antibiotics. The prevention of invasive plant species is not a problem, nor would it be caused by improper management of free range animals. Mental Illness in animals is usually caused by being put in small enclosure or living in poor conditions, not by being allowed free range. Therefore, the answer is the additional exposure of soil layers, since excessive grazing can decimate plant and soil layers.

I hope that helped!

Answer:

The additional exposure of soil layers

Explanation:

I took the test and I got it right

Answer:

Humans are not that different from other animals, but vary in the finer detail.

Indeed most amniotes (terrestrial organisms with fetuses surrounded by membrane) work pretty well along the same principles, and there’s also much in common as far back as you want to go, really, on land or in water.

And my next semi-random thought is to say that cellular differentiation, like real estate (apparently), is all about location, location, location. Where the cells are, or where they came from, seems to matter a lot.

Actually, it’s more about layers. Like an onion. Or a cake. (I can’t believe I’m writing this, and apologies to any Shrek fans out there.)

What I mean to say is that some understanding of developmental embryology will help here. To simplify things enormously, our adult cell types ultimately arise from embryonic stem cells. These stem cells are multi-purpose and programmable, or pluripotent in a sense, and capable of making whatever type or form of cell is requested. They just need to be “told” what to do. And just tiny bits of code do exactly that, flipping switches on or off as required, based on cues like orientation, chemical gradients, and proximity.

Now a quick read of the links above will explain it all, but I’ll press on anyway. Out of that initial programming arises our ‘germ layers’, the mesoderm, the ectoderm and the endoderm. We are, after all, triploblastic. 3 layers, get it?

But you knew that.

In case you didn’t, these layers in effect give you a scaffold or more accurately perhaps a tube comprising an inside, outside, and a middle. Where your cells are hanging out in that tube matters, in that they pick up on their location and auto-magically become functionally relevant to that space. In a sense, I mean. Refer back to location, location, location.

Just knowing that pattern of proximity, gradients, and orientation more than simply sets the scene. Whether you work forwards or backwards from there, you will hopefully see that these “germ layers” derive quite simply from a much earlier differentiation, and then complexify. In that sense you have your answer - a complex set of diverse cell types arises by differentiation from an earlier, simpler differentiation. Which sounds a bit clunky when I write it out, but it gives a general idea.

So how does this complicated process happen?

Well, as I mentioned chemical gradients are probably to blame here. And it actually starts before fertilisation, in that the egg itself is already semi-structured and bathed in chemicals with a high-low gradient of some sort. In that sense it’s giving cellular differentiation a head start (there’s a pun there), by setting up some sort of polarity from the beginning. At the very least we get some ends happening, or a top and a bottom if you like.

Now, again simplifying things enormously, your average fertilised egg, or zygote, has by definition a complete set of your DNA ready and waiting, which contains the code for every protein-making gene, plus transcription factors, plus whatever else gets copied for various reasons, including those we haven’t teased out as yet.

Note that those transcription factors really matter. We may have around 20,000 protein-expressing genes, but we also have some 1,500 transcription factors that seem to switch the genes on, off, or arguably and effectively somewhere in between. Well, they work in combination and by that we get a huge amount of variation in expression, and thus our cellular diversity as well.

And all of that DNA goodness is sitting in that zygote, bathed in chemicals that may vary very slightly from top to bottom and side to side as it were, by concentration and by other traits, like temperature. Several such things interact, including orientation and proximity to neighbours, but let’s assert (based on experiments) that the gradient is important, and that it continues to guide the “differentiation” process as new cells are born.

Which is to say that by this process of reading the DNA and expressing only the genes that are switched on by the helpful and gradient-sensitive (say) transcription factors, we get set up to form those 3-D axes and the scaffolding that will guide our cellular replication strategy. Which then produces a result that with each round of replication becomes subtly different and more diverse. Over time the subtlety gives way to more recognisable layers and specialisation in function.

Perhaps not the neatest, clearest explanation but the quickest and least baffling one I can come up with right now. As always, read the links to get a better grasp.

Answer:

During the development of an organism, cells differentiate into many distinct cell types. How does a single fertilized egg cell develop into so many different types of specialized cells? ... They both cannot produce all cells. Multipotent- limited to replacing cells in the tissue where they are found.

Natural gas is not a fossil fuel

hope it is helpful to you

When a plant is placed on a window sill as opposed to a coffee table in the midst of the living room, it grows three inches more per day. This finding can be tested. There is a quantitative observation.

That occurs because plants require light for photosynthesis; otherwise, they begin to wilt and finally perish for lack of food and nutrients. The leaves will eventually dry out and fall off the plant if they are kept on for too long.

Therefore, In the dark, plants do not grow more quickly; rather, they do. However, because of rapid cell elongation, plants appear to grow more quickly in low light conditions.

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Answer:

175 pounds equals 79.37kg

Taipei 101 is taller, 1669.96 feet

100 deciliters

38.3 degrees celsius

9630 milliseconds

Explanation:

Answer:

hope it help ☺️

Explanation:

Various environmental factors having negative effect on bees fitness are: intensive agriculture with included regular pesticides use, deficiency of eminence food and loss of habitat, pathogens and pests (Brutscher et al., 2016, Goulson et al., 2015a, McMenamin and Genersch, 2015, Tantillo et al., 2015).

Answer:

the correct answer is Option, C. DISEASE

Answer:

The projections, if they play out, illustrate the potential magnitude of decisions such as the recent one by President Trump to walk away from the international Paris climate accord, in which more than 170 countries agreed to slash their carbon emissions in coming years. Meanwhile, hundreds of governors, mayors and other elected officials have vowed to continue the shift toward cleaner sources of energy.

Hsiang acknowledged that despite the researchers’ efforts to use sound statistical approaches and a wealth of databases, calculating the future costs of climate change is inherently uncertain. Communities are likely to adapt and become more resilient. Industries evolve and relocate.

Delavane Diaz, a senior technical leader at the Electric Power Research Institute, agreed that the study has limitations. For one, it fails to account for how humans will probably plan for and respond to the changing climate. Still, she said, the conclusions provide an important glimpse of the economic risks the United States could face as global warming worsens.

Explanation:

The primary consumers in the food chain are the organisms that eat the producers, which in this case are the brittlebushes. The primary consumers are the pallid-winged grasshoppers.

The other organisms in the food chain are secondary consumers (grasshopper mouse), tertiary consumers (red-tailed hawk), and apex predators (western diamondback rattlesnake).

Here is a diagram of the food chain with the primary consumers highlighted in green:

brittlebush (producer)

----------------------->

pallid-winged grasshopper (primary consumer)

----------------------->

grasshopper mouse (secondary consumer)

----------------------->

red-tailed hawk (tertiary consumer)

----------------------->

western diamondback rattlesnake (apex predator)

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Lactose gets into bacterial cells through Carrier protein

The diagram depicts the process of lactose uptake by a bacterial cell, and it shows that lactose is transported into the cell through a carrier protein. This process is known as cotransport, where lactose is transported along with a hydrogen ion, which is moved out of the cell at the same time. The hydrogen ion concentration gradient created by the action of the proton pump drives the movement of lactose into the cell through the carrier protein.

Passive diffusion through a transport channel is not the method used to transport lactose into bacterial cells. Transport channels are utilized by small, uncharged molecules, such as water, to diffuse across the cell membrane, but lactose is a large, polar molecule that requires a specialized transport mechanism to cross the cell membrane.

In conclusion, the uptake of lactose by bacterial cells occurs through the use of a carrier protein, which transports lactose across the cell membrane in conjunction with a hydrogen ion through cotransport. This process allows for the efficient uptake of lactose, which is essential for the survival and growth of the bacterial cell.

The question was Incomplete, Find the full content below :

The diagram below shows the uptake of lactose by a bacterial cell. Based on the information in the diagram, how does lactose get into bacterial cells?

Carrier protein

Pumping through a transport channel

Passive diffusion through a transport channel

Cotransport

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Answer:

the answer is The water table lowers.

When the rate of infiltration is less than the rate of water being pumped out of the ground, the water table lowers. Thus, the correct option for this question is C.

A water table may be defined as a boundary that lies below the ground and between the soil surface and the area where groundwater saturates spaces between sediments and cracks in the rock. The water that percolates down to the earth constitutes the water table.

According to the context of this question, if the rate of infiltration is less that means the percolated water is significantly less as compared to the water that is taken or being pumped out of the ground. In a more simple sense, water collected in the ground is less than the water taken from the ground. Due to this, the water table declines.

Therefore, when the rate of infiltration is less than the rate of water being pumped out of the ground, the water table lowers. Thus, the correct option for this question is C.

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Answer:

The correct probabilities are;

Red flowers  - 25%

White flowers - 25%

Pink Flowers  - 50%

A Punnett square is a visual tool for estimating the likelihood that offspring will receive particular features from their parents. It is named for British geneticist Reginald Punnett, who created the idea in the early 20th century.

We can see the colors of the flowers from the Punnet square shown in the image attached here as;

Red flowers  - 25%

White flowers - 25%

Pink Flowers  - 50%

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Answer:

because the Venus is straight to the sun or near the sun and the mercury is narrow to the sun

A tiny electric message moves through a long part of a brain cell called the axon. When a message goes to the end of a nerve, it sends chemicals called neurotransmitters. These substances move through a tiny gap and attach to special parts of another nerve cell's outer covering.

Messages called impulses are sent from one nerve cell to another through a connection called a synapse. This process is called synaptic transmission. Synapses are connections between nerve cells or between nerve cells and other cells, like muscles or glands.

The neuron sending the signal is called the presynaptic neuron. When a signal travels down a nerve cell, it causes little sacs called vesicles to release chemicals called neurotransmitters.

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The correct answer is the independent variable is one that you manipulate, control, or vary to investigate its effects and the dependent variable that being tested and measured in an experiment .

The simplest way to determine which variable in your experiment is the Independent Variable (IV) and which is the Dependent Variable (DV) is to put both variables in the sentence below in the correct order. "A change in the DV is caused by the IV." It is impossible for DV to cause any change in IV."

Example: Independent and dependent variables You plan a study to see if changes in room temperature affect math test scores. The temperature of the room is your independent variable. You change the temperature of the room by making it cooler for half of the participants and warmer for the other half.

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Answer:

EKG

Explanation:

Answer:

would increase

Explanation:

The pyramid of biomass is a diagram that exhibits the total biomass of the organisms at different trophic levels, which are required to support life in a given ecosystem. This pyramid usually starts with producers situated on the bottom (e.g., plants), then continues with the organisms that eat these primary consumers (herbivores), after with secondary consumers (carnivores), and so successively. The pyramid of biomass indicates the amount of mass of 1-primary producers required to support the life of the primary consumers, 2- primary consumers needed to support the life of the secondary consumers, 3-secondary consumers needed to support the life of the tertiary consumers, and so successively for each trophic level. In this diagram, the trophic level with a higher amount of biomass (and energy) is usually represented by the producers (i.e., by organisms on the bottom), and this amount of biomass decreases as long as more levels are considered. In consequence, if more food from secondary consumers is consumed, it will produce an increase in the percentage of biomass that is needed to support life.

Answer:

-20 items-

Bed

Cat

Dog

desk

water

stove

oven

chair

toilet

shirt

shampoo

shoes

backpack

food

socks

paper

pencil

table

mask

towel

If Plants no longer existed on earth then there would be no way for carbon dioxide to be converted into oxygen, without oxygen animals and humans alike would die. The Worlds "Air" would be toxic for us to breathe, we need plants to survive. Without plants, animals would die of starvation, and predators would as well without substance.

The population of AA increases but on the other hand AB and BB the population decreases after 10th generation.

The genetic makeup of an individual is called their genotype. The two alleles that a person has inherited for a single gene are referred to by this phrase in more detail.

Here for Generation 1, AA = 1, AB = 13, BB = 6

After 10 years it changes AA = 5,AB = 12 and BB =3.

Because AA genotype is generate new genes and alleles, increasing genetic variety In a population, new genetic diversity may be formed within generations, hence a population with a fast rate of reproduction would most likely have a high level of genetic variety.

On the other hand, for AB and BB is decrease in no because:

Rare alleles can disappear due to genetic drift, which can also shrink the gene pool. According to the theory that genetic drift contributes to the development of new species, genetic drift can also result in a new population being genetically diverse from its ancestral population.

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Answer:

The medullary cavity is the hollow part of bone that contains bone marrow. The bone marrow makes blood cells and stores fat. Spongy bone (also called cancellous bone) is made up of small, needle-like pieces of bone arranged like a honeycomb.

Explanation:

Humerus Bone

16. should be B) Chemical Properties of Water.

Because those are all examples of chemical changes of water.

17. should be B) The liquid will remain a liquid.

Because 52° C is the same as 125.6° F.

Answer:

Neutrons, protons, electrons, elements and compounds

Explanation:

Answer:

It's called rods and cones

Explanation:

The cone receptor is more sensitive out of the 3 different colors (green, red or blue). Signals from the cones are sent to your brain which then it  translates these messages into the perception of color(s).

Answer: 1b 2a 3a

Explanation: Mark me as brainiest!

Answer:

dear user

the answer is given above

The process in the image is transcription. This is mRNA synthesis and occurs in the nucleus. mRNA copies a segment of DNA and carries this information to the cytoplasm to synthesize new proteins.

Transcription is the mRNA synthesis process. It occurs in the nucleus and is the previous stage before protein synthesis (translation).

During transcription, fragments of DNA molecules are used to copy the desired sequence that carries the necessary information to grow the new proteins.

In the nucleus, the DNI molecule uncoils and forms the transcription bubble, separating the two strands.

At this point, two fragments of DNA can be identified, the coding strand and the template strand.

The template strand acts as a mold for mRNA growth. This is the chain that is complemented by the mRNA.

On the other hand, the coding strand (non-template) carries the same nucleotidic sequence as the new mRNA. The only difference is that instead of Uracyls (which are only present in RNA molecules), it has Thymines (which are only found in DNA).

RNA polymerase is in charge of reading the original DNI template strand and for mRNA synthesis.

mRNA molecule grows complementing DNA base sequences. This is,

 DNA           mRNA    

adenine  ⇔   uracil

guanine  ⇔   cytosine

thymine  ⇔   adenine

cytosine  ⇔   guanine  

Once mRNA synthesis is over, the molecule leaves the nucleus to start the translation process in the cytoplasm.

Note: I could not find the image, but the labels suggest this is a transcription process.

The process is Transcription. It produces mRNA, the molecule that carries genetic information from the nucleus to the cytoplasm to build new proteins.

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