Which phrase describes organisms that formed index fossils?

Answers

Answer 1
Answer:

Answer:

Have hard parts

Were generally large

Lived in a narrow range of geographical area

Are extinct

Explanation:


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The table in Figure 12–3 shows the results of measuring the percentages of the four bases in the DNA of several different organisms. Some of the values are missing from the table. Based on Chargaff’s rule, the percentages of thymine bases in chicken DNA should be aroundA. 28.8%. B. 19.9%. C. 21.5%. D. 13.4%.
Which of the following identifies the process shown at point Z?

How would more secondary consumers affect the biomass of the higher trophic levels?

Answers

Answer:

would increase, population, and chances of getting more food for survival.

Explanation:

By the increase in secondary consumers, that would give more food and energy and the ease of finding food for the tertiary consumers, which will give more energy for activities and therefore sexual activity can no longer be lacking the energy barrier, and due to that the population of tertiary consumers increases, eventually leading to the same effect and increase in Quaternary consumers.

ater is prevented from entering the active site of glycogen phosphorylase. What are the advantages of excluding water from the active site? to prevent energy waste by conserving the ATP that would be needed to phosphorylate glucose to prevent the formation of glucose to prevent hydrolytic cleavage of glucose 1‑phosphate to prevent the unnecessary breakdown of glycogen to maintain energy supplies in muscle cells

Answers

Answer:

The corect answer is to prevent unnecessary breakdown of glycogen.

Explanation:

The presence of water helps in the hydrolysis of energy rich componds and stored compounds inside the the body resulting in the generation of free energy and monomeric  subunits.

    The entry of water in the active site of glycogen phosphorylase result in the hydrolysis of glycogen to release glucose molecules from the later.

 But glycogen breakdown or glycogenolysis occurs during energy demand of our body and when there is enough energy in our body at that time there is no necessity to break down glycogen.

Day-to-day choices can help reduce the risk of heart disease. One of the major risk factors for development of heart disease is elevated LDL, which can be affected by the types and amounts of dietary fat consumed as well as other dietary factors. Read the statements below and select all of the correct statements regarding how various dietary fats affect LDL cholesterol levels. Select all that apply. a. Typically, the higher your consumption of unsaturated fats, the higher the LDL cholesterol levels in your blood. b. Trans fats are worse for heart health than saturated fats because they raise LDL cholesterol and lower HDL cholesterol. c. Increasing intake of plant foods may be one of the easiest ways to decrease LDL cholesterol. d. Typically, the higher your consumption of saturated fats, the higher the LDL cholesterol levels in your blood. e. Dietary cholesterol does not affect blood cholesterol levels.

Answers

Answer:

b. Trans fats are worse for heart health than saturated fats because they raise LDL cholesterol and lower HDL cholesterol.

c. Increasing intake of plant foods may be one of the easiest ways to decrease LDL cholesterol.

d. Typically, the higher your consumption of saturated fats, the higher the LDL cholesterol levels in your blood.

Explanation:

Generally, the consumption of saturated fat increases the amount of LDL cholesterol in the blood system while the consumption of unsaturated fat can reduce the amount of LDL cholesterol in the blood system. In addition, the consumption of plant food can reduce the amount of LDL in the blood system. Trans fats are more harmful to one's heart than saturated fat because they can increase the amount of cholesterol in the blood system.

Answer:b,c,d

Explanation:a. Unsaturated fats are mostly beneficial to health, e.g- omega 3 fatty acids, and are not known causes of LDL increase.

b. Trans fats are known to increase LDL cholesterol while also decreasing HDL cholesterol levels. We do not find this in saturated fats which are known to only increase LDL cholesterol.

c. Plants possess "soluble fiber" that drastically help to reduce cholesterol levels. They are known to be very low in saturated fats, and also free of cholesterol.

d. Saturated fats are common causes of elevated LDL in blood stream.

e. Dietary cholesterol as opposed to serum cholesterol are fats found in our diets(food) that may contain high levels of cholesterol that increase LDL levels in blood.

Which nutrients do plants need in larger quantities?micronutrients
or
macronutrients

Answers

Answer:

macronutrients

Explanation:

macronutrients are important for growing plants. the main macronutrients are nitrogen, Potassium, and phosphorus.

Answer:

The second answer.

Explanation:

During what part of the life cycle can an amphibian have both gills and lungs?

Answers

Hi there!

In the Juvenile (tadpole) stage, amphibians look somewhat similar to a fish. They however cannot have gills and lungs at the same time. 

Hope this helps!

~DL

Answer:

metamorphic

Explanation:

Hippies were young Americans who lived the counterculture lifestyle

Answers

Answer:

true

Explanation:

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