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borishaifa [10]
2 years ago
8

A diploid zygote and a triploid nucleus are the result of which of the following pollination processes?

Biology
1 answer:
azamat2 years ago
8 0

Answer:

Double fertilization

Explanation:

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In a food chain 200 kg of wheat is fed on by 18 kg of mice which in turn are eaten by 1kg of hawk. What is the percentage energy
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Answer:

0.1% of energy

Explanation:

Energy flow: From the whole quantity of energy that reaches the earth's surface, autotroph organisms or producers absorb only 0.1 or 1%.

From the input of solar energy begins a unidirectional energy flow through all the organisms in the ecosystem, from autotrophs to heterotrophs, until it is dissipated in the environment.  

At each trophic level occurs an energy transfer to the next, with only 10% being usable in each of them. This assessment is called "The 10% rule". As a general rule, only about 10% of the energy stored as biomass at one trophic level, per unit time, ends up as biomass at the next trophic level, in the same unit of time.

If wheat transferred 10% of the energy to mice, and of that 10% mice transferred 10% of the energy to hawk, then the percentage of energy transferred from the first trophic level to the third equals 0.1%.

10% (1st TL-2nd TL) / 10% (2nd TL - 3rd TL) = 0.1% (1stTL - 3rd TL)

<em>TL = Trophic level           </em>

8 0
3 years ago
Severe hurricane winds destroy most of the trees in a forest community. Which of these is the most likely effect on the ecosyste
Zarrin [17]
The answers please? i know that mudslides would be a big issue because the roots are no longer there to help hold the soil i hope this helps :)
6 0
3 years ago
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The synthesis of sugar molecules through the process of photosynthesis requires energy absorbed from sunlight. Bearing this in m
Serga [27]

Answer:

endothermic reaction

Explanation:

This means it cannot occur without energy (from the Sun).

6 0
1 year ago
Describe the importance of a hypothesis in scientific inquiry.
andreev551 [17]

Answer:

the basic idea of a hypothesis is that there is no pre-determined outcome. ... A key function in this step in the scientific method is deriving predictions from the hypotheses about the results of future experiments, and then performing those experiments to see whether they support the predictions.

Explanation:

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