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Aloiza [94]
3 years ago
7

PLEASE HELP ME WITH THIS PLEASE 10 BRAINLY POINTS!!!

Biology
1 answer:
finlep [7]3 years ago
4 0

Answer:

18 chromosomes I guess verify

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A number of marine reptiles and birds have salt glands, which have a remarkable ability to concentrate salt solutions for excret
Lemur [1.5K]

Answer:

A)100mL  B)50mL  C)The second option  D)Hypoosmotic Environment

Explanation:

The average Na concentration in the seas and oceans of the world is around 3,5% which mean that in 100 ml of sea water, there is around 3,5 grams of Na.

The weight of one mol of NaCl is 58,44 grams. For 3,5 grams of NaCl, we get 3,5/58,44 = 0,060 mol of NaCl which is 0,060x1000 = 60 mmol/100ml. According to this and the information given in the question about the secretion of the salt glands', if the average sodium concentration is 600mmol/L, we have 60*10 = 600mmol/L so it would take 100 mililiters of water to excrete.

If the average Na concentration of the salt gland's secretion were 300 mmol/L, only 50 mililiters of water would be needed to excrete the same sodium load.

The second option of secretion is hyperosmotic to seawater because the concentration is higher.

Osmoregulation is the process of balancing the amount of water and salt between the body of the organism and its surrounding environment. For salt glands to be advantageous for osmoregulation, they need to be in a hypoosmotic environment.

I hope this answer helps.

3 0
4 years ago
• An ecosystem only has a certain amount of
labwork [276]

Answer:

An ecosystem only has a certain amount of resources to support a certain number of organisms.

Explanation:

An ecosystem consist of resources and organisms. Resources are the material which are responsible for the survival of living organisms in that ecosystem. Examples of resources are light, water, oxygen and food substance. In the absence of these resources, organisms will die.

7 0
3 years ago
Help me please!!<br>20 points!
Rina8888 [55]
Underwater Ways!
The Aquarius Reef Base is an underwater habitat 5.4 meters off Key Largo in the Florida Keys National Marine Sanctuary.  It is deployed on the ocean floor 62 ft below the surface and next to a deep coral reef called Conch Reef.

(
That is all I can tell you.)
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Explain the effect of germination on pea seed respiration
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Answer:

"<em>The affect of germination on the rate of cell respiration in peas is that in peas that are germinated, the rate of cell respiration is</em><em> higher</em><em> because the cells are growing/going through mitosis which requires energy/ATP in order to be carried out which is generated through the process of cellular respiration.</em>"

(Biology Cell Respiration Lab Flashcards | Quizlet)

GIVE BRAINLIEST PLZ :)

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3 years ago
The arrow is pointing to the?
seropon [69]
Hair follicles is the hair coming out of the subcutaneous layer
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