If a population grows larger than the carrying capacity of its enviroment

Answers

Answer 1
Answer: The death rate will most likely rise and birth rate will end up falling. (Less organisms to populate= less offspring)

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Please help meScientists have tracked the changes in this land for many years. Picture A shows how the land looked to start with. Many years later, the land looked like Picture B. What MOST LIKELY caused the change in the land?A) a coastal glacier B) water cutting the rocks C) wind blowing in circles D) earthquakes along the shore
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Why can't penguins fly?

Answers

the reason why is because all the fat the penguins hold and it will way them down.  

Erythrocytes are an example of specialized cells
true
false

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They are specialised cells.

The answer for this question is True.

How does a savanna differ a grassland?

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a grass land is a healthy green grass environment were it isnt very hot or dry.butb a savvanah has lots of heat so the grass dries up and dies

What three principles is gas exchange based on in the respiratory system?

Answers

Answer: Ventilation, diffusion, and perfusion

Explanation:

Final answer:

The three key principles based on which gas exchange happens in the respiratory system are: partial pressure difference, large surface area for exchange, and effective transportation of gases.

Explanation:

The respiratory system relies on three main principles for gas exchange:

  1. Partial pressure difference: The exchange of gases (oxygen and carbon dioxide) in the lungs happens according to the differences in partial pressures. Oxygen moves from areas of higher to lower partial pressure, enabling it to enter the bloodstream where its pressure is lower.
  2. Surface area for exchange: The structure of the lung surface, specifically the alveoli, provides a large surface area for effective gas exchange.
  3. Transport of gases: Gases like oxygen and carbon dioxide are carried in the bloodstream. Oxygen is primarily carried attached to hemoglobin in red blood cells, while carbon dioxide is primarily transported in plasma as bicarbonate ions.

Learn more about Gas Exchange in Respiratory System here:

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Animal cells have all of the following exceptA. mitochondria.
B. chloroplasts.
C. a nucleus.
D. Golgi apparatus.

Answers

Animal cells do not have chloroplasts, so answer choice (B) is the correct one. All animals (unless there are any bizarre exceptions that I'm not aware of, or as long as we're not categorizing some unicellular organisms as animals) are eukaryotic, which means that their cells contain nuclei, meaning that (C) is not valid. Mitochondria are found in all eukaryotic cells, including those of mammals, so (A) is also not correct. The Golgi apparatus is another organelle found in eukaryotic cells, and they are found in animal cells, so (D) is not correct. But chloroplasts are the organelles responsible for conducting photosynthesis, which is something that only plants and not animals are capable of, so there are no chloroplasts in animal cells.

Determine if the following are autotrophs or heterotrophs: (a) a giant redwood tree, (b) a spider, (c) a rose bush,(d) a mushroom, (e) a blue whale.

Answers

The options in the question contain both autotrophs and heterotrophs.
(a) A giant redwood tree = Autotroph
(b) A spider = Heterotroph
(c) A rose bush = Autotroph
(d) A mushroom = Heterotroph
(e) A blue whale = Heterotroph
Autrophs are the organisms that have the capacity to form their own food from inorganic substances like the carbon dioxide.
Heterotrophs are the organisms that cannot produce their own food but depends on other animals or plants for their nutritional needs.