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Elena L [17]
3 years ago
9

Explain the relationship between limiting factors and population size​

Biology
1 answer:
allsm [11]3 years ago
5 0

Limiting factors, or things in the environment that can lower the population growth rate, include low food supply and lack of space. When organisms face limiting factors, they show logistic type of growth (S-curve).

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HELP ASAP!!!!
andriy [413]

Answer:

homologous structures

Explanation:

Homologous structures are organs or skeletal elements of animals and organisms that, by virtue of their similarity, suggest their connection to a common ancestor. These structures do not have to look exactly the same, or have the same function.

7 0
2 years ago
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What is normally present in urine? How does the filtration barrier function to prevent things from entering the filtrate? What d
Sergio039 [100]

Answer:

Generally urine comprises about 95 percent water, 2 percent electrolytes, that is, ions of salts, primarily sulphates, chlorides, potassium, bicarbonates of sodium, and others, 2.6 percent urea, 0.3 percent uric acid, and small quantities of ammonia, creatinine, hormones, some of the pigments, hippuric acid, and allantoin.  

The filtration barrier comprises of the glomerular capillaries fenestrated endothelium, the filtration slits of the podocytes, and the fused basal lamina of the podocytes and the endothelial cells. The barrier allows the entry of water, small molecules, and ions from the bloodstream into the space of Bowman capsule.  

The barrier restricts passing of negatively charged and/or large proteins like albumin. The basal lamina of the filtration barrier comprises three layers. Any small molecules like glucose, water, salt, urea, and amino acids can pass freely into the Bowman's space, however, the cells, large proteins, and platelets do not.  

7 0
3 years ago
flammability is a measure of how easily something burns. is this a physical or chemical property? explain, using an example
lorasvet [3.4K]

Answer:

chemical property

Explanation:

Wood is a flammable substance.  Depending how dry it is will determine its flammability or what temperature it will burst into flame.  Burning wood undergoes chemical property changes:  the brown hard wood becomes a black pile of ashes.

5 0
3 years ago
What is cotransport? Explain how understanding it is used in our treatment of diarrhea.​
qaws [65]

Answer:

In cotransport, a single ATP-powered pump that transports a specific solute drives the active transport of several other  solutes. Normally, sodium in waste is reabsorbed in the colon, maintaining constant levels in the body, but diarrhea  expels waste so rapidly that re-absorption is not possible, and sodium levels fall precipitously. To treat this life threatening condition, patients are given a solution to drink containing high concentrations of salt and glucose. The  solutes are taken up by sodium-glucose cotransporters on the surface of intestinal cells and passed through the cells into  the blood. This simple treatment has lowered infant mortality worldwide.

6 0
3 years ago
Use the picture to match the numbered label to the name of the organelle that it is pointing to.
hodyreva [135]

the answer is

Explanation:

20÷ cell membrane

18÷nucleus

17÷mitochondria

21÷ cytoplasm

19÷lysosome

6 0
3 years ago
Read 2 more answers
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