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3 years ago

Evolutionary relationships between organisms are determined by.

Biology

2 answers:

Georgia [21]3 years ago

4 0

Answer:

hope you like it

Explanation:

A molecular clock determines evolutionary relatedness by examining how many mutations or random changes in DNA, there are between two organisms. When we map the relatedness of different organisms, we are creating a phylogenetic tree. At some point, all organisms that are alive today shared a common ancestor.

sweet-ann [11.9K]3 years ago

3 0

A molecular clock determines evolutionary relatedness by examining how many mutations or random changes in DNA, there are between two organisms. When we map the relatedness of different organisms, we are creating a phylogenetic tree. ... At some point, all organisms that are alive today shared a common ancestor.

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Disorientation and loss of motor control can result from

kari74 [83]

Hypothermia is a condition that can cause a person to feel disorientated and result in the loss of motor control. Hypothermia is a grave condition that takes place when your body loses heat faster than it can produce it, resulting in a body temperature that is dangerously low.

4 0

3 years ago

The solutions in the two arms of a U-tube are separated by a membrane that is

IgorC [24]

Answer:

See the answer below

Explanation:

Recall that: Water potential = pressure potential + solute potential

Since the system is an open one;

Water potential = solute potential = -iCRT

i = number of particles the molecle will make in water (1)

C = molar concentration

R = Pressure constant = 0.0831 liter bar/mole K

T = temperature in kelvin = 22 + 273 = 295 K

To calculate water potential on side A:

C = 1 M

Water potential = - (1 x 1 x 0.0831 x 295) = -24.51 bars

For side B:

C = 2 M

Water potential = - (1 x 2 x 0.0831 x 295) = -49.03 bars

Since side A has higher water potential than side B, water will flow from side A to side B until equilibrium is established between the two sides. Water always flows from the region of higher water potential to the region of lower water potential.

6 0

3 years ago

some cells produce and secret high levels of digest enzymes. which organelles would you expect to be abundant in those cells and

Diano4ka-milaya [45]

Lysosomes, because they are the organelles that secrete these hydrolytic enzymes and help break down old organelles, viral/bacterial invaders, and food particles.

3 0

3 years ago

The vitamin necessary for fibrinogen and prothrombin formation (found in green vegetables and released by intestinal bacteria) i

Volgvan

It is vitamin B, vitamin D, vitamin A, vitamin E, and vitamin K

7 0

4 years ago

The seven individuals who run the Fed are called the

Margarita [4]

The seven individuals who run the Fed are called the board of governors.(D)

8 0

3 years ago