Excretion and the Kidneys The kidneys remove excess water, minerals, and other waste products from the blood. The cleansed blood returns to circulation. Each kidney has nearly a million processing units called nephrons. Filtration and reabsorption occur in the nephrons.
- Filtration is the passage of a fluid or gas through a filter to remove wastes. The filtration of blood in the nephron takes place in the glomerulus, a small, dense network of capillaries. Each glomerulus is encased by a cuplike structure called Bowman's capsule. Pressure in the capillaries forces fluids and wastes from the blood into Bowman's capsule. This fluid is called filtrate.
- Most of the material that enters Bowman's capsule is returned to circulation. The process by which water and dissolved substances are taken back into the blood is called reabsorption.
- A section of the nephron tubule, called the loop of Henle, conserves water and minimizes the volume of filtrate. The fluid that remains in the tubule is called urine.
For Questions 7-10, write True if the statement is true. If the statement is false, change the underlined word or words to make the statement true.
____________7. Each kidney has nearly a million individual processing units called capillaries.

Seafood watch has made several unsustainable fishing practices illegal, is a true statement.

Seafood Watch is a program sponsored by the Monterrey Bay Aquarium; recommendations for which seafood to buy or avoid; consumers and businesses to become advocates for "ocean-friendly".

Seafood Watch has had an immense influence on decisions regarding illegal fishing practices and has helped design sustainable seafood environments due to their lists of seafood that should be eaten without worries.

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Answer:

False.

Explanation:

Just took the test. Also... It is false because Seafood Watch is not a legal authority and does not have the power to make fishing practices illegal. Seafood Watch is a program run by the Monterey Bay Aquarium that provides recommendations and guidance on sustainable seafood choices based on scientific assessments of fisheries and aquaculture practices. It aims to inform consumers and promote sustainable fishing practices but does not have legal authority to enforce regulations or make fishing practices illegal. That responsibility lies with governmental bodies and regulatory authorities.

Answer:

distribute body weight over a large area

Explanation:

This one's fairly simple. If you have large feet, then your body weight is distributed over a large area (you don't sink as much in sand). If your toes were small, massive body weight would sink the feet into sand.

Answer: C. Ranges and niches are moving farther North

Explanation:

Animals are moving north toward the North Pole to escape the heat. Towards the poles, the temperatures get colder. Because of global warming, the temperature zones move out towards the poles.

The net primary productivity (NPP) and the gross primary productivity (GPP) are related such that: NPP = GPP - Respiration

NPP refers to the net primary productivity of ecosystems. It is the amount of sugar made from photosynthesis when the amount of sugar burned during respiration has been deducted.

The total amount of sugar made during photosynthesis is the Gross Primary Productivity (GPP). This amount does not include the amount of sugar burned by respiration.

Thus, the equation relating the 3 variables would be:

NPP = GPP - Respiration

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Answer:

The 4th option is wrong . Stars are Mostly found between Mars and Jupiter.

Explanation:

Pollution is:

the presence in or introduced into the environment of a substance or thing that has harmful or poisonous.

typically caused by man made things, like factories when they leak pollutant air into the atmosphere and other items like ships when they leak oil pollutants into the waters.

Answer:

B.

These resources are nonrenewable and will eventually disappear.

Explanation:

Answer:

B.  These resources are nonrenewable and will eventually disappear.

Explanation:

Fossil fuels take millions of years to form, but we mine and use them at a rate that is much faster than their replenishment time.  That means that, at some point, we will use up all of the available fossil fuels before new ones can be formed.

Answer:

Precipitation or Fair Weather

Explanation:

Of these choices, a meteorologist is most likely to predict precipitation.  Hurricanes and tornados are relatively rare occurences.  

Answer:

It depends on what grade level you are in. Younger grade levels only learn about, if i remeber correctly, four kingdoms. But there are actually six. In the traditional five-kingdom system there are only five.

The six-kingdoms system: Bacteria, Archea, Protista, Plantea, Fungi, Animalia.

The traditional five-kingdom system: Monera, Protista, Plantea, Fungi, Animalia

Phenolphthalein is a weak acid and is colorless in solution. It is generally used to find out the endpoint of titration. As the An unknown solution is colorless when tested with phenolphthalein but causes the indicator phenol red to turn red it indicates the pH of the solution is 8.0 or above.

Phenol red is an indicator whose color can exhibit a gradual transition from color yellow to red.

Phenol red is actually a water-soluble dye as is used as a pH indicator, changing from yellow to red over pH 6.6 to 8.0.

Thus, it can be concluded that the pH of the given unknown solution is in range 8.0 or above.

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Potassium is most likely to be found with 6.25% of its original amount in 6 billion years because the half life of Potassium-40 is 1-1.5 billion years in graph. Thus the correct option is C.

If it half in 1 to1.5 billion years = 50% gain

1-1.5 billion years = 25%. gain

If we do that 2 more times we will get 12.5% and then 6.25% gain.

Half life is defined as the time required for half of the atoms of a radioactive substance to become disintegrated.

Our estimate is about 1-1.5 billion years so repeating that about 4 times we get around 4-6 billion years for it to gain 6.25%.  From this it can be concluded that Potassium-40 as since it comes the closest to remaining at 6.25% its original amount after approximately 6 billion years.

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The  trait would the fossil most likely have is a curve in the lumber region of the spine.

Fossils are remains or traces of animals and plants preserved in rocks. Remains are parts of an animal (eg bones, teeth, scales) or plant (eg trunks) and traces are evidence of its existence or activities (eg footprints).

From the fossils it is possible to see the evolutions that the animals suffered in this case it was a curve in the lumber region of the spine.

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Answer:

b. a curve in the lumbar region of the spine

Explanation:

Answer:

They can be made into one compound sentence with a semicolon alone between the two independent clauses

Explanation:

you can use a semicolon to separate two ideas (two independent clauses) that are closely related

Answer:

mushroom

Explanation:

mushroom

Explanation:

When a haploid cell undergoes mitosis, it produces two genetically identical haploid daughter cells; when a diploid cell undergoes mitosis, it produces two genetically identical diploid daughter cells.

Explanation:

Both haploid and diploid cells can undergoes mitosis. when a haploid cell undergoes mitosis, it produces two genetically identical haploid daughter cells

According to the research, a scientist can learn directly from a single fossil how long the organism lived and what it looked like.

They are the remains of an organism and the organic substances that present a certain degree of petrification and are naturally located in the various terrestrial layers.

These organic remains found in the strata of sedimentary rocks serve to date their ages, providing information on specific periods in the history of the planet.

Therefore, we can conclude that according to the research, a scientist can learn directly from a single fossil how long the organism lived and what it looked like.

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The population of reefs reduces drastically if there are no sea urchins since lionfish use them as a source of food. That way, the lionfish began feeding on the reef itself.

Answer:

d. to map all base pairs in DNA

Answer:

right side

1 thalamus

2oblongata

3  cerebellum

4 brain stem

left side

5 cerebrum

6 hypothalamus

7 pons

8 medulla

Explanation:

Answer:

alternative

Explanation:

alternative splicing is a deviation from this preferred sequence where certain exons are skipped resulting various froms of mature mRNA.

Answer:

Laboratory studies suggest changing ocean chemistry will 1) harm life forms that rely on carbonate-based shells and skeletons, 2) harm organisms sensitive to acidity, and 3) harm organisms higher up the food chain that feed on these sensitive organisms.

Explanation:

These include the open ocean, the deep-sea ocean, and coastal marine ecosystems, each of which has different physical and biological characteristics.

Answer:

It's also called a high temperature, hyperthermia, or pyrexia,

Answer:

For those who are new to growing orchids or those who love the beautiful blooms, the Phalaenopsis orchid is considered to be the best orchid for beginners. Our online video will help you pick the perfect orchid for your home. Phalaenopsis orchids are also known as “moth orchids” for the shape of their petals.

I have a Phalaenopsis Orchid in my house, it's very easy to take care of. Like a fish, but fish cost more money.

Explanation:

Water and sun, that's all there is to it.

Fear

Food

Hunting

Showing off to others

Profit

Answer:

The correct answer is b not sure Baka

Answer:

Electromagnetic spectrum consists of radio waves, microwaves, infrared waves, visible spectrum, ultraviolet waves, X-rays and gamma rays. It does not include alpha rays.

Answer:

A NUTRIENT IS A CHEMICAL SUBSTANCE THAT ORGANISMS REQUIRE TO LIVE