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Sindrei [870]
3 years ago
15

Briefly explain how the genetic code is analogous to the letters of the alphabet

Biology
1 answer:
krek1111 [17]3 years ago
3 0

Genetic code is a sequence of 3 letter word, known to be one after the another along the length of the DNA.

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In many animals, height is an example of a polygenic trait. Which types of natural selection can affect polygenic traits? I. dir
Marat540 [252]

The question is incomplete as it does not have the options which are:

I. only

I. and II. only

II. and III. only

I, II, and III.

Answer:

I, II, and III.

Explanation:

The mechanism of natural selection can be explained for the trait which is determined by one gene but the traits which can be determined by more than one gene like height (polygenic trait), the selection becomes very complex.

The natural selection can be explained by the phenotype produced in a population and that depends on the genes.  The polygenic trait shows the variation in the population, therefore, it is impossible to predict only one mechanism and therefore all types of natural selection occurs on a population.

Thus,  I, II, and III are correct.

7 0
3 years ago
What is meant by the statement living things do not exist in isolation
bazaltina [42]
It means they constantly interact with each other and with their environment and are dependent upon each other for survival.


Hope this helps you out :)
8 0
3 years ago
There are several different kinds of aquatic ecosystems. Bogs get their water from precipitation, so they don't have many Fill i
Ratling [72]
  1. Bogs get their water from precipitation, so they don't have many <u>nutrients</u>.
  2. Marsh plants are adapted to waterlogged <u>soil</u>
  3. Swamps have <u>plants like trees and shrubs</u>.
  4. Rivers always have flowing currents and pick up <u>sediment</u> as they flow.
  5. Lakes are bodies of water on land.  
  6. Wetlands act as filters for nutrients and pollutants dissolved in the water.
  7. Estuaries are wetland regions where freshwater rivers mix with ocean water.

Explanation:

A wetland is a biome which has both water and land that are intermixed in various ways. According to the type of the wetland, the ecosystem differs.

Bogs: Wetland with water from precipitation and no inflow or outflow of surface or ground water.  

Soil: Acidic, infertile with less nutrient content

Vegetation: Acid-loving plants

Swamps: Forest wetlands near rivers and lakes.

Soil: well draining, mineral soil

Vegetation: Trees and bushes. Swamps are classified according to the vegetation, like coniferous swamp, hardwood swamp, shrub swamp etc

Marsh: Wetlands mostly inundated with water leading to waterlogged soil  

Soil: Organic and mineral soil

Vegetation: Hydrophytic plants adapted to waterlogged soil

Estuaries: Wetland regions enclosed by land one side where fresh water mixes with saline ocean water.  

Soil: Saline alkaline soil

Vegetation: Mangrove trees

Rivers and lakes are water bodies that form a part of wetlands.  

Rivers are flowing water bodies which flows through water current and picks up sediments as it flows.

Lakes are stationary water bodies that are enclosed by land mass on all its sides.

The wetlands act as a natural filter and receive all the sediments, pollutants etc which are dissolved in water and carried by the rivers and other water sources.

4 0
3 years ago
Read 2 more answers
What type of aquatic ecosystem is a mixture of salt and fresh water and affected by tides?
Aleksandr-060686 [28]
The answer is D - estuaries
6 0
3 years ago
When testing diffusion over a selectively permeable membrane, you placed different liquids into special containers. The proper s
elena-s [515]

When testing diffusion over a selectively permeable membrane, the proper setup is aimed at putting different concentrations into tubes and the same water volume.

<h3>What is a selectively permeable membrane?</h3>

A selectively permeable membrane is a physical barrier that allows the passage of certain substances but not others.

The cell membrane is a  selectively permeable membrane that cells need to interchange nutrients and waste with their environment.

In conclusion, a suitable experiment to show the process of diffusion in a selectively permeable membrane is to put concentrations of the solute into tubes and the same volume of solvent (water).

Learn more about selectively permeable membranes here:

brainly.com/question/227810

#SPJ1

5 0
2 years ago
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