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Serjik [45]
3 years ago
7

Please help!! The available chemical energy in an ecosystem..

Biology
1 answer:
Gennadij [26K]3 years ago
6 0

Answer:

C

Explanation:

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What did cecilia payne -gaposchkin (say;gah-posh-kin) discover about astronomy?
pishuonlain [190]

Answer:

The composition of the stars

Explanation:

4 0
4 years ago
If the frequency of the recessive allele for a gene is 0.3, calculate the expected frequency of heterozygotes in the next genera
Kisachek [45]
Q = recessive allele frequency = 0.3, and thus in H-W equilibrium there are ONLY two alleles, q (recessive) and
p (dominant). Therefore all of the p and q present for this gene in a population must account for 100% of this gene's alleles. And 100% = 1.00.
So p, the dominant allele frequency, must be equal to 1 - q --> p = 1 - q
p = 1 - 0.3 = 0.7.
Since heterozygotes are a combination of the p and q, we must again look at the frequencies of each genotype: p + q = 1, then (p+q)^2 = 1^2
So multiplying out (p+q)(p+q) = 1, we get: p^2+2pq+q^2 = 1 (all genotypes), where p^2 = frequency of homozygous dominant individuals, 2pq = frequency of heterozygous individuals, and q^2 = frequency of homozygous recessive individuals.
Therefore if the population is in H-W equilibrium, then the expected frequency of heterozygous individuals = 2pq = 2(0.7)(0.3)
2pq = 2(0.21) = 0.42, or 42% of the population.
Hope that helps you to understand how to solve population genetics problems!
7 0
4 years ago
List the biotic components of the carbon cycle
muminat
Organisms eat plants, which is comprised of carbohydrates; those carbohydrates come from Carbon<span> dioxide in the atmosphere. Thus, an abiotic factor (</span>carbon<span>dioxide) helps create a </span>biotic<span> factor (the plants made out of carbohydrates).</span>
5 0
3 years ago
Summarize how cellular transport helps maintain homeostasis within a cell
KatRina [158]
If not my mistaken this would be the answer
The cell will change the concentration of water within the cell to match the concentration of water outside the cell.
4 0
3 years ago
Activity that is slow and sustained for relatively long periods without resting is known as _______ activity.
statuscvo [17]
<span>This is continuous aerobic activity. While regular aerobic activity can incorporate rest periods, this style of activity does not. Activities such as walking, slow jogging, stair climbing, and swimming can all fit this definition, because they can be done without rest for long periods.</span>
8 0
3 years ago
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