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dsp73
3 years ago
6

Describe how the fossil record could be used by scientists to help explain the evolution of a species. Justify your response in

two or more complete sentences.
Biology
2 answers:
avanturin [10]3 years ago
5 0
The research about Linnaeus helped us discover the similarities between different species.The fossils help us understand like taxonomy
borishaifa [10]3 years ago
3 0

When scientists discover fossils from the past, it helps us to understand the species of the present and how they have evolved over time. For example, birds are the last trace of dinosaurs, which went extinct 65 million years ago.

(I know this is a late response, but it may be helpful for future students who are on the same question.)

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Triglycerides are composed of glycerol and fatty acid chains..
Karolina [17]

Answer:

bonded to a single glycerol molecule.

Explanation:

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3 years ago
which three components are common to the circulatory systems of most living things                                    PLZZ I WIL
gavmur [86]
Heart,vessels,circulating fluids
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3 years ago
The University of California Cooperative Extension and the county of Humboldt did a study, and estimated that in order to produc
IrinaK [193]

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For the production of food for animals.

Explanation:

365,000 acres of land were needed for the production of feed for animals in order to produce beef. Feed such as grasses, berseem, shaftal and maize etc are given to animals because these plants has high protein content which is necessary for the production of meat in animals. If proper feed is not provided to animals so they becomes weak and low in meat which will not fulfill the beef need of a country so proper feed is necessary for the production of high amount of beef.

6 0
3 years ago
He correct method of removing a glass stopper is to grasp it _______.
Fantom [35]

Answer: between the second and third finger

The correct method of removing a glass stopper is to grasp it between the second and third finger with the help of the thumb. If the glass stopper is stuck, you can use the tap method by using many gentle tap and keep on turning the flask. Another technique is to put oil or use a flame to expose it to heat.

 

4 0
3 years ago
Read 2 more answers
Neville has low blood pressure and his pituitary started producing a homorone to maintain water balance his blood pressure event
ivanzaharov [21]

Answer: The options are missing in the question,the options are;

A) Positive feedback will stop the release of this hormone.

B) Positive feedback will speed up the release of this hormone.

C) Negative feedback will speed up the release of this hormone.

D) Negative feedback will stop the release of this hormone.

The correct answer to the question is option D

NEGATIVE FEEDBACK WILL STOP THE RELEASE OF THIS HORMONE.

Explanation: The hormone the will be produced is known as Antidiuretic hormone (ADH).it is otherwise known as VASOPRESSIN.It is secreted by the posterior lobe of the pituitary gland.

The main effect of Antidiuretic hormone is to reduce urine output,(diuresis is the production of large amount of urine). Antidiuretic hormone acts in the distal convulated tubules and the collecting ducts of the nephrons of the kidneys,it increases their permeability to water and more of the glomerular filtrate is reabsorbed. Antidiuretic hormone secretion is determined by the osmotic pressure of the blood circulating to the osmoreceptors in the hypothalamus.

As osmotic pressure rises,for example as a result of dehydration, secretion of Antidiuretic hormone increases. With this,there is Increased reabsorption of water reducing the amount of urine produced.This implies that more water is retained in the body making the rise in the osmotic pressure of the blood to be low,for example,after a large fluid intake, secretion of Antidiuretic hormone is reduced,less water is reabsorbed and more urine is produced.

At high concentrations,for example after severe blood loss, antidiuretic hormone causes smooth muscle contraction, especially vasoconstriction in small arteries.this has a pressor effect,raising systemic blood pressure.

5 0
4 years ago
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