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goldenfox [79]
3 years ago
14

What is the function of gills and lungs in aquatic animals

Biology
2 answers:
Zolol [24]3 years ago
7 0

Answer:

Gills are evaginations of the body surface. Some open directly to the environment; others, as in fishes, are enclosed in a cavity. In contrast, lungs represent invaginations of the body surface. Many invertebrates use gills as a major means of gas exchange; a few, such as the pulmonate land snail, use lungs.

Explanation:

They're just their to help the fish breath

xenn [34]3 years ago
4 0

Answer:

Basically, gills filter the water around the animal and take in the small amount of oxegen mixed in the water. Lungs take in all of the air and almost half of it is oxgen and they can't go underwater for long. But since lungs are more efficient, animals with lungs can grow bigger than animals with gills

Explanation:

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The primary purpose of the basic economic order quantity model is
AleksAgata [21]

Answer:

D. to minimize the sum of setup cost and holding cost e. to calculate the optimum safety stock

Explanation:

Economic order quantity ( EOQ ) is formulated as :

EOQ= \sqrt[]{\frac{2C_O D}{C_h} }

Co = Ordering cost

D = annual demand

Ch = Annual unit holding cost

Economic quantity is the order quantity which minimizes sum of annual cost of ordering and annual inventory holding cost  so to minimize the overall cost of the inventory.

ANSWER : d) to minimize the sum of setup cost and holding cost that is to calculate the optimum safety stock.

6 0
3 years ago
Which phase of the cell cycle is typically the longest phase
dexar [7]
Interphase. This is when the cell is growing and duplicating DNA. The stages of mitosis happen more quickly.
6 0
2 years ago
In which type of cell must a mutation occur in order for an entire organism to show the mutation?
nignag [31]
For mutations to affect an organism's descendants, they must: 1) occur in cells that produce the next generation, and 2) affect the hereditary material. Ultimately, the interplay between inherited mutations and environmental pressures generates diversity among species.
4 0
3 years ago
Dissolved waste in the blood is filtered by?
vagabundo [1.1K]
The kidneys remove dissolved waste in the blood 

Hope this helps!

8 0
3 years ago
There are two species of freshwater shrimp that are introduced to a pond. The first species, Caridina cantonensis, is brightly c
Marina86 [1]

Explanation:

Natural selection is the mechanism that is responsible for the evolution of organisms.  

In the given case, the Freshwater shrimp has been introduced to a pond in which the two species with variations are introduced.  

The <em>C. cantonensis </em>is brighter in color whereas the <em>C. multidentata</em> is mottled drab in color. The predator fish can feed easily on the species which is brighter therefore <em>C. cantonensis</em> is more susceptible. The mottled drab species is not easily predated by the species.  

The 30 % offsprings of <em>C. cantonensis</em> can survive till the reproductive age  whereas 75% of C. multidentata. This shows that natural selection has acted on the color of the shrimp species selected against the predator fish species.

The species with mottled drab color is the result of the differential reproductive rate.

5 0
2 years ago
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