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Wittaler [7]
3 years ago
5

Based on the similarities, what defines an ecosystem?

Biology
1 answer:
pantera1 [17]3 years ago
3 0

Answer:

An ecosystem consists of a community of organisms together with their physical environment. In ecosystems, both matter and energy are conserved. Energy flows through the system usually from light to heat while matter is recycled.

Explanation:

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There is a population of Drosophila flies in a small fruit shop. Due to sudden mutation, the eye color of some of the flies chan
galben [10]
The answer is <span>A. p2 = 0.36, 2pq = 0.48, q2 = 0.16.
</span>
Let's first distinguish alleles frequencies from genotypes frequencies:
p - a frequency of R allele,
q - a frequency of r allele,
p² - a frequency of RR genotype,
2pq - a frequency of Rr genotype,
q² - a frequency of rr genotype.

<span>The gene frequency of allele r changes from 0.38 to 0.40, thus:
</span>q = 0.40

Now, we will implement this in the following equation:
p + q = 1

If q = 0.40, then:
p + 0.40 = 1
⇒ p = 1 - 0.40
⇒ p = 0.60

Now, the frequencies of both alleles are know and it is easy to calculate the <span>genotype frequencies:
-</span> the frequency of RR genotype: p² = 0.60² = 0.36
- the frequency of Rr genotype: 2pq = 2 · 0.60 · 0.40 = 0.48
- the frequency of rr genotype: q² = 0.40² = 0.16

Therefore, the new genotype frequencies in that population are <span>p2 = 0.36, 2pq = 0.48, q2 = 0.16.</span>
6 0
3 years ago
Read 2 more answers
Help me answer these photosynthesis and cell respiration
geniusboy [140]
The commas (,) I used separate the 2 processes

No,yes
Yes,no
Chloroplasts, mitochondrion
Yes, no
Carbon dioxide +water(in the presence of sunlight energy),
Oxygen and glucose
Oxygen +glucose +energy, carbon dioxide + water
Carbon dioxide is used up(photosynthesis), carbon dioxide is produced(respiration)
Light energy, glucose
Released, captured

PHOTOSYNTHESIS
Light energy
CO2+ H2O (——————-> O2+C6H12O6

RESPIRATION
O2+C6H12O6——————> CO2+H2O
6 0
4 years ago
Which expression is equivalent to y times y times y times z times z times z times z?
zloy xaker [14]

Answer:

y^3z^4

Explanation:

y\times y \times y \times z \times z \times z \times z= y^3z^4

Hope this helps!

7 0
4 years ago
Read 2 more answers
HELP!! In what ways are fats and steroids similar to each other, and in what ways are they different?
svlad2 [7]

Answer:

the answer is the first one!

Explanation:

I did it. do you like food?

6 0
3 years ago
What is meant by industrialization ?Write in brief
PtichkaEL [24]
Industrialization is the process by which an economy is transformed from a primarily agricultural one to one based on the manufacturing of goods. Individual manual labor is often replaced by mechanized mass production, and craftsmen are replaced by assembly lines.
8 0
2 years ago
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