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Phantasy [73]
3 years ago
7

Describe the eardrums function.

Biology
1 answer:
True [87]3 years ago
4 0
The eardrum is a thin flap of skin that is stretched tight like a drum and vibrates when sound hits it.
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Like DNA, RNA contains four nitrogenous bases. Three of them are the same as those found in DNA. The one that is different is ca
densk [106]
The nitrogenous bases in DNA are adenine, guanine, thymine, and cytosine.
The nitrogenous bases in RNA are adenine, guanine, uracil, and cytosine.
So the base in RNA that is different than in DNA is uracil.

Hope this helps.
6 0
3 years ago
In a garden with trees and shrubs, green and pink katydids were observed. Over time, birds started feeding on the katydids. Whic
densk [106]

The right options are;  

A.The population of pink katydids will decrease.

B.The population of green katydids will decrease.

What will eventually happen to the population of the katydids is that the population of both the pink and green katydids will decrease. The predators which are the birds that feeds on the katydids (prey) will negatively influence the size of the prey populations by reducing them.


7 0
3 years ago
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In photosynthesis, what substances come in from the outside
vodka [1.7K]
The question is asking to state the substance that come from the outside in the process of photosynthesis, base on my research and further investigation, I would say that its the heat or light energy. I hope you are satisfied with my answer and feel free to ask for more 
3 0
3 years ago
An advantage of gas exchange in fresh water, compared with gas exchange in air, is that:
konstantin123 [22]

Answer:

e. water loss through evaporation across the respiratory surface can be minimized

Explanation:

<em>Exchange of gases, otherwise known as respiration is an important process in living organisms during which food material within the body is broken down to unlock their energies for the functioning of living organisms.</em>

During gaseous exchange, oxygen gas diffuses into respiratory tissues and dissolves on respiratory surfaces while carbon dioxide diffuses in the other direction.

Respiratory surfaces are usually thin walled with moist inner surfaces that enables the dissolution of gases. Depending on the atmospheric temperature, respiratory surfaces in terrestrial organisms are at varying risks of losing moisture to the atmosphere due to evaporation.

In aquatic organisms however, evaporation from respiratory surfaces is minimized as the immediate environment is water.

Options a to d are not entirely true about water and respiration.

The correct option is e.

6 0
4 years ago
According to the results of an evaluation, a neighborhood’s air quality deteriorated tremendously compared with the previous yea
Papessa [141]
The residents can carpool from place to place, bike, or walk, which significantly reduces fumes. They can also grill less, and have fewer fires in their fireplaces.
6 0
3 years ago
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