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Triss [41]
3 years ago
10

How much energy is passed along to each higher trophic level in a food chain?

Biology
2 answers:
pentagon [3]3 years ago
8 0

Answer:

10%

Explanation:

tigry1 [53]3 years ago
7 0
Only 10% of the energy from prey is passed on to the higher trophic levels of the food chain.
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An AAbb strain is crossed to an aaBB strain and the resulting progeny self-crossed. If A andB are located 10 cM apart from each
skelet666 [1.2K]

Answer:

20.3%

Explanation:

Given that:

An AAbb strain is crossed to an aaBB strain

i.e.

                   AAbb      ×      aaBB

gametes       Ab                   aB

For F₁

generation;  

If the resulting progeny are now self-crossed.

We know that the genetic distance between these two genes on the same chromosome is said to be 10 cM.

i.e. the recombinant gene = 10%; Hence, the parental gene will be (100 - 10)% = 90%

Ab ×   aB  =   Aa    AB      ab     Bb

From above; the parental gene;

Ab and   aB = 90% with each being 45%

i.e. Ab = 45%   and aB = 45%

while the recombinants genes are:

AB and ab = 10%

i.e. AB = 5%  and ab = 5%

Finally; the percentage of aaBB is = aB% ×  aB% × 100%

the percentage of aaBB is = 0.45 × 0.45 × 100%

the percentage of aaBB is = 20.25%  ≅ 20.3%

8 0
2 years ago
how does water role in photosynthesis explain increased biological productivity in area of heavy precipitation​
s344n2d4d5 [400]

Answer:

Photosynthesis takes in energy from the sun, CO2 and H2O and produces Glucose(don't know formula), O2 and H2O. This means the water is needed for the reaction but isn't transformed. This means that in areas with greater average rainfall, plants generally grow faster.

Please help with my recent questions if this helped. :)

3 0
3 years ago
How do some producers and consumers each rely on light from the sun?
Nutka1998 [239]

Producers rely on light because that is what they use to "produce" food. Consumers, however, also rely on light, because first of all they need to see, and second of all, the light fuels growth of producers, which in turn, when consumers eat the producers, promote growth of other consumers.

Great question :)


8 0
3 years ago
Denise was measuring the effect of temperature on the amount of dissolved oxygen that water can hold. She hypothesized that as w
Elina [12.6K]
Her hypothesis is wrong. <span>Increased </span>temperature<span> causes an increase in kinetic energy. The higher kinetic energy causes more motion in the </span>gas<span> molecules which break intermolecular bonds and escape from solution. Check out the graph below: As the </span>temperature<span> increases, the </span>solubility<span>of a </span>gas<span> decreases</span>
4 0
3 years ago
Read 2 more answers
Any one can please fill all the labellings.<br>thanks:)​
Vika [28.1K]

Answer:

1 = True Ribs or Vertebrosternal Ribs

2 = False Ribs or Vertebrochondral Ribs

3 = Floating Ribs

4 = Thoracic Vertebrae 1 (T1)

5 = Ribs

6 = Coastal Cartilage

Explanation:

Thus, The Whole Structure is known as Rib Cage or Thoracic Cage

<u>-TheUnknown</u><u>S</u><u>cientist</u>

3 0
2 years ago
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