Which forms the basis of taxonomy in the twenty-first century?

Answers

Answer 1

Answer: phylogenetic relationships 1018

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In the new 6-kingdom system of classification, like the old 5-kingdom system, organisms are basically grouped byA) cell structure. B) location on Earth. C) reproductive methods. D) unicellular versus multicellular.

What are parts of male reproductive system?

Answers

Parts of amale reproductive system
a.       Penis– used in sexual intercourse. It contains semen which has sperms in it.
b.      Scrotum– the pouch like sac of skin that hangs behind and below the penis. It containsthe testes and acts as climate control system.
c.       Testicle(testes) – responsible for the making of testosterone
d.      Epididymis– transports and stores the sperm cells
e.      Vasdeferens – transports mature sperm into the urethra
f.       Urethra – tube that carries urine from thebladder to outside of the body
g.       Seminalvesicles – produces fructose to help the sperm move
h.      Prostategland – contributes additional fluid to ejaculate

the penis and scrotum,testicles

When brown iodine is exposed to starch it turns dark purple. In an experiment, you placed a cornstarch solution in a small bag made of dialysis tubing. Next, you placed the bag in a beaker of water containing 10 drops of iodine. If the solution in the dialysis tubing bag turned dark purple (Select all that apply). a. The plastic bag was permeable to cornstarch.

b. Aces the plastic bag was permeable to iodine.

c. The iodine moved into the plastic bag.

d. The cornstarch moved into the beaker.

e. The plastic bag was selectively permeable.

Answers

The solution in the dialysis tubing bag turning dark purple indicates that the iodine has moved into the bag and reacted with the cornstarch. This means that options (b) and (c) are correct.

The dialysis tubing bag is selectively permeable, which means that it allows certain molecules to pass through while blocking others. In this case, the bag is permeable to iodine molecules, but not to larger molecules such as cornstarch. Therefore, option (e) is also correct. The cornstarch did not move into the beaker, as the bag is designed to keep its contents inside. Therefore, option (d) is incorrect. The fact that the solution in the bag turned purple indicates that the bag was permeable to cornstarch, as it allowed the iodine to come into contact with the cornstarch and produce the purple color. Therefore, option (a) is also correct.

Because the solution in the bag turned purple as a result of the iodine's contact with the cornflour, it can be concluded that the bag was permeable to cornflour. This contact enabled the purple colour to be produced. As a result, choice (a) is also accurate.

To learn more about cornstarch solution refer to:

brainly.com/question/28549502

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All of the following are advantages of organic farming as compared to conventional farming EXCEPT:fewer pollutants are released into the environment.
higher crop yields.
increased biological diversity of crops.
reduced use of agricultural chemicals.

Answers

The advantges of organic farming compared to conventional methods of farming which are actually the most widespread types of farming are that they will release fewer pollutatns into the environment. They will also increase the biological diversity of crops and reduce the use of argicultural chmeicals.

However, what is NOT a advantage of organic farming compared to conventional farming would be higher crop yields as conventional farming will have higher yields every season mostly due to the use of conventional agricultural chemicals.

fewer pollutants are released into the environment.

All of the following are advantages of organic farming as compared to conventional farming EXCEPT: fewer pollutants are released into the environment.

NOT:
higher crop yields.
increased biological diversity of crops.
reduced use of agricultural chemicals.

Which scientist developed the system for classifying organisms?

Answers

Carl Von Linneaus developed the system for classifying organisms.

Carl von developed the system for classifying organisms

Which of the following is most likely to be a limiting factor for growth on the floor of a tropical rainforest?a.
water
b.
shelter
c.
sunlight
d.
prey

Please select the best answer from the choices provided

A
B
C
D

Answers

Answer: SHELTER C

Explanation:

A scientist thought he may have discovered a new plant compound that would lower blood pressure in people. In his first experiment, he injected one hundred mice with the compound and found that the blood pressure in ninety-five of the treated mice was not affected. However, all of the mice seemed to grow at a faster rate then the control group. Which statement describes the most likely outcome of this investigation?a. The knowledge gained will lead to further experimentation that could potentially result in a new use for the drug.
b. He will develop a second experiment to find a way to make the drug successfully lower blood pressure in mice.
c. The data he collected will be used in new investigations to determine why certain people are taller than others.
d. He will use these results to conclude that the drug will most likely lower blood pressure in five percent of people.

Answers

A. The knowledge gained will lead to further experimentation that could potentially result in a new use for the drug.

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Answer:

A on edge

Explanation:

Other Questions

5. How do the concentrations of E and I compare?a. I is higherb. l is lowerc. I and E are equal.d. The graph does not include enough data tocompare concentrations,

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The terms aerobic fitness and cardiorespiratory fitness mean the same thing True or false?

Which is NOT an important step in pollination? A. An insect drinks nectar from a plant B. Pollen sticks to the insect’s legs C. The insect travels to another plant to deliver the pollen.