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shtirl [24]
2 years ago
15

Determine if the following statement is true or false and why. “Primary and Secondary Consumers lose about 30% of the energy the

y absorb from food as heat.” A. False, it should read “Only Secondary Consumers lose about 30% of the energy they absorb from food as heat.” B. False, it should read “Primary and Secondary Consumers lose about 5% of the energy they absorb from food as heat.” C. True D. False, it should read “Primary Consumers lose about 5% of the energy they absorb from food as heat, while Secondary Consumers lose 30% as heat.”
Biology
1 answer:
Elodia [21]2 years ago
7 0

True. The correct option is C.

<h3>Energy transfer in the ecosystem</h3>

Energy is transferred from lower to higher trophic levels of the food chain in any ecosystem.

In other words, energy is transferred when primary consumers feed on producers, when secondary consumers feed on primary consumers, and so on.

However, when energy is transferred through feeding from lower to higher trophic levels, a certain percentage of the energy is lost to the surroundings as heat.

In actual fact, scientists believe that about 90% (and not 30%) of the energy is lost as heat to the surrounding. Only about 10% of the energy is converted to useful energy.

More on energy transfer in the ecosystem can be found here: brainly.com/question/15896675

#SPJ1

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Tanzania [10]
1.) D- phloem is Bi-directional and can flow upward or downward 

2.) C- it transports the water from the roots to the stems and leaves

3.) A- capillary action <span>is the ability of a liquid to flow in narrow spaces without the assistance of, or even in opposition to, external forces like gravity, so it can flow upward through the tissue

4.) B- It conducts the sugar and other metabolic materials downward from the leaves

5.) A- </span><span>The roots </span>have a type of cell called a root hair cell - these project out from the root into the soil. The water<span> absorbed by the root hair cells passes through the plant in xylem tubes, and eventually reaches the </span>leaves<span>.

6.) A- It transports </span> water<span> from roots to shoot and leaves, but it also transports some </span>nutrients. It is Uni-directional though and can only flow upward.

Hope this helps! Good luck
3 0
3 years ago
Read 2 more answers
Where in the cell are the chromosomes lined up during metaphase?
pav-90 [236]

Answer:

they're aligned at the centre of the mitotic spindle...(metaphase plate)

5 0
3 years ago
explain how the real genetic crosses may be used to help work out the genotype of a black mouse. (4 marks)
denis23 [38]

Answer:

A test cross may be used to help work out the genotype of a black mouse.

Explanation:

Due to technical problems, you will find the complete answer and explanation in the attached files

Download pdf
5 0
3 years ago
Pick twenty foods and research the amount of total carbohydrates, sugars, and other carbohydrates in them. Note: Most food label
Sedbober [7]

Answer:

Here is the list which provides food name along with their carbohydrate concentration.

1) Bread 1 slice provides about 10-20 gram of carbohydrates.

2 )½ cup of wheat Cream, cooked with water provides about 15 gram of carbohydrates.

3) 1 cup of cooked Pasta provides 45 grams of carbohydrates.

4) half cup of mixed Nuts provide 15  grams of carbohydrates.

5) Potato is starchy vegetable which in baked 6 oz provides 40 grams of carbohydrates.

6) Cow’s milk provide 12 grams of carbohydrates when 1 cup of it is administered.

7) Yogurt plain 1 cup provides  14 grams of carbohydrates.

8) Apple with size of tennis ball  1 medium  provides 15-30 grams of carbohydrates.

9) Apricots, dried 7 pieces provides 15 grams of carbohydrates.

10) Blackberries or blueberries provides  20 grams of carbohydrates when 1 cup of it is administered.

11) Banana 6”-9” provides 30-45 grams of carbohydrates.

12) Dried Dates i.e 5-6 dates provides 30 grams of carbohydrates.

13) Grapes 15 in number provides 15  grams of carbohydrates.

14) Melons with 1 cup provides 15 grams of carbohydrates.

15) Mango cubes ½ cup provides 15 grams of carbohydrates.

16) Orange 1 medium  sized about tennis ball provides 15 grams of carbohydrates.

17) French fries Small order provides 30 grams of carbohydrates.

18) Popcorn with 3 cups provides 15 grams of carbohydrates.

19) Barbeque sauce, 2 Table spoon provides 15 grams of carbohydrates.

20) 1 Tbsp of Honey  provides 15 grams of carbohydrates.

CREDIT: Zahidahmadkhantanoli

4 0
4 years ago
Which type of stress is shown in the image help earth science
Step2247 [10]

Answer:

Comparison stress

Explanation:

The Stress that is responsible for the change in shape of the material is called as Compression Stress.

8 0
3 years ago
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