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2 years ago

The fastest known "cruiser" is the a bonito b yellowfish tuna c grouper d flounder

Biology

1 answer:

zheka24 [161]2 years ago

7 0

<h3>yellowfish tuna</h3>

This is the fourth fastest fish, having recorded swimming speed of 76km/h.

<h3>What is Tuna known for ?</h3>

Tuna are remarkable and impressive wild animals. The Atlantic bluefin can reach ten feet in length and weigh as much as 2000 pounds (more than a horse)

Their specialized body shape, fins and scales enable some species of tuna to swim as fast as 43 miles per hour. Tuna swim incredible distances as they migrate.

The latest report by the UN shows that tuna is the world's most consumed and the second most wild caught fish in the world.

Learn more about Tuna fish here:

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Based on your knowledge of the water cycle, from what bodyof water does the most water evaporate? Why?

RUDIKE [14]

Answer: oceans

Explanation: oceans have a greater surface area. over 70% of the Earth’s surface is covered by water.

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2 years ago

Which of the following exemplify the behavioral mechanisms for modifying heat loss via conduction and radiation?

Pavlova-9 [17]

Moving from the shade into the sun, removing a sweater, curling up in a ball all are the examples of behavioral mechanisms for modifying heat loss via conduction and radiation.

What is heat loss?

Heat transfer from one material to another can occur intentionally or accidentally.
Conduction, convection, and radiation are possible mechanisms for this.
When a component comes in direct touch with another component, whether it is insulated or not, conduction frequently happens.
Convection happens when an air barrier surrounds a pipe, electric heater, or other component.
When there is no touch and heat travels in waves, it is called radiation.

Here are some typical heat loss regions that designers of heating equipment should take into consideration:

uncovered surfaces
Insulated surfaces that are horizontal or vertical
Water is present.
surfaces with paraffin or oil
Wind speed has an impact.

Hence, all are the examples of behavioral mechanisms.

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6 0

1 year ago

Explain the process of energy moving through the atmosphere.

daser333 [38]

Energy changes forms from heat, to kenetic, to potential energy. However, the total energy is the atmosphere is conserved, meaning energy can only change forms, but cannot be produced.

7 0

3 years ago

Most black bears (Ursus americanus) are black or brown in color. However, occasional white bears of this species appear in some

Sphinxa [80]

Answer and Explanation:

The number of observed individuals:

AA 42

AG 24

GG 21

Total number of individuals, N= 87 = 42 + 24 + 21

Allelic frequencies:

f(p) = (2 x AA + AG)/ 2 x N

f (p)= (2 x 42 + 24) /2 x 87

f (p) = (84 + 24) / 174

f (p)= 108 / 174

f (p) = 0.62

f (q) = (2 x GG + AG)/2 x N

f (q) = (2 x 21 + 24 )/2 x 87

f (q) = (42 + 24)/ 174

f (q) = 66/174

f (q) = 0.38

p + q = 1

0.62 + 0.38 = 1

The expected genotypic frequency:

F (AA)= 0.62 ² = 0.3844

F (AG) = 2 x A x G = 2 x 0.62 x 0.38 = 0.4712

F (GG) = 0.38 ² = 0.1444

AA + AG + GG = 0.3844 + 0.4712 + 0.1444 = 1

The number of expected individuals:

AA= (0.62)² x 87 = 0.3844 x 87 = 33.44

AG= (0.4712) x 87 = 40.99

GG= (0.38)² x 87 = 12.563

Total number of expected individuals = 33.44 + 40.99 + 12.563 = 87

Chi square= sum (O-E)²/E

AA= (O-E)² /E

AA=(42 - 33.44) ² / 33.44

AA= 2.2

AB= (O-E)² /E

AB= (24 - 40.99)²/ 40.99

AB=7.04

BB=(O-E)² /E

BB= (21-12.563)²/12.563

BB= 5.66

Chi square= sum ((O-E)²/E) = 2.2 + 7.04 + 5.66 = 14.9

Degrees of freedom = genotypes - alleles = 3 - 1 = 2

p value less than 0.05

There is enough evidence to reject the nule hypothesis. The genotype frequencies are not in equilibrium.

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4 years ago

2. If a cell has a very large amount of ribosomes attached to its rough

Otrada [13]

Answer:

Protein

Explanation

Ribosome and Rough E.R are organelles in the cell.

E.R are extensive membranes (which are continuous with the nuclear membrane) that exist as flattened compartment in the cytoplasm.These compartment form sacs in the cytoplasm. The sacs are interconnected with one another to form a complete system called the reticulum.

Based on structure two types of E.R exists -the Smooth E.R and the Rough Endoplasmic reticulum.The later is called rough because of Ribosomes attached to its outer membrane. the smooth lacks ribosomes attachment on its outer membrane. Ribosomes are the site of Protein synthesis in the cell.

They are small in number and are made up of RNA and protein.Generally the protein synthesised in the Ribosomes,are moved into the sacs in the R.E.R,where they are modified.They are eventually budded off in vesicles which form the Golgi bodies

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3 years ago