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miskamm [114]
3 years ago
15

If the inner lining of the air sacs is neither thin nor highly vascularized, then what can be inferred about the ai

Biology
1 answer:
MArishka [77]3 years ago
4 0
If the inner lining of the air sacs neither thin nor highly vascularized, then it can be inferred that AIR SACS ARE CANNOT BE THE SITES OF GASEOUS EXCHANGE BETWEEN AIR AND BLOOD. Air sacs are generally lined with mucus and surrounded with blood capillaries.
In case of birds, air sacs play an important role in respiratory system.
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Baby paolo smiles and coos so often and is so delightful that his parents feel compelled to smile and chatter right back at him.
Phoenix [80]

The genetic environment illustrated by the smiling parents prompted by the smiles and coos of their baby is the evocative gene environment.

This evocative gene environment refers to the environment when the genetic attributes of a child affects the behavior of others towards him. In the  given scenario, the constant smiling and cooing of the child are prompting his parents to interact with him constantly.

Hence, the correct answer is 'evocative gene-environment'.

3 0
3 years ago
It is often easier to determine if an object or organism possesses the characteristics of life rather than life itself.
Vladimir [108]
True.

It is easier since there are a lot of theories that could sum up and provide evidence to support that an object has life than life itself.

One popular theory is the cell theory which states that all organism is made up of cells, cell that came from those pre-existing cells, and reproduce by those cells themselves.
5 0
3 years ago
What happens to a living organism that does not obtain all four main types of macromolecules
GREYUIT [131]

Answer:

Living organism should obtain the 4 main types of macromolecules for maintaining proper body physiology.

Explanation:

The four major types of macromolecules that we should intake are Carbohydrate,protein,fat and nucleic. Each of them performs their specific functions.The 4 macromolecules are deeply interlinked to each other.

          Deficiency of one of these four macromolecules can leads to various health hazards or health abnormalities.

    For example if we do not intake carbohydrate then the lack of carbohydrate will weakens the body.The brain will not get sufficient amount of glucose to exhibit its biological function.

   The protein deficiency leads to the development of marusmus a phusiological disorder occur due to protein energy malnutrition.

3 0
3 years ago
What is an advantage of using models to represent the carbon cycle?
andreev551 [17]

An advantage of using models to represent the carbon cycle is: B. show a complete and detailed account of every event in the cycle.

A carbon cycle refers to the series of biogeochemical processes through which carbon atoms or carbon compounds are interconverted and used by living organisms within an environment, especially by transporting carbon from the atmosphere to planet Earth and then back to the atmosphere.

Basically, there are four (4) main processes that are associated with carbon cycle and these include:

  • Respiration.
  • Consumption.
  • Combustion such as burning of fossil fuels.
  • Rock formation.

A model can be used to graphically illustrate or simulate the all of the activities (events) that are taking place within the carbon cycle.

Hence, an advantage of using models to represent the carbon cycle is that it would illustrate (show) a complete and detailed account of every event in the cycle.

Read more: brainly.com/question/22432773

4 0
2 years ago
In man, hitchhiker's thumb is domiant to a straight thumb, and brown eyes is dominat to blue eyes. If a man that has a straight
pogonyaev

Answer:

25%

Explanation:

T = Hitchhiker's thumb

t = straight thumb

B = Brown eyes

b = blue eyes

The man's genotype is ttBb

The woman's genotype is Ttbb

Make a dihybrid punnett square to find the possible genotypes of the offspring

ttbb is straight thumb and blue eyes. There are 4 out of 16 genotypes with this phenotype so:

Divide 4 with 16 and multiply by 100 to get the percentage of offspring with that phenotype

4 ÷ 16 = 0.25

0.25 × 100 = 25%

6 0
2 years ago
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