BIOLOGY HIGH SCHOOL

Which o the following best define sustainable fishing practices

Answers

Answer 1
Answer:
Harvesting practices that do not reduce the potential for future harvests
Answer 2
Answer:

Answer:

Consumers can buy farm-bred fish instead of wild fish.

Explanation:

B on edge 2020. I got it right

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Suppose that the human insulin protein that was produced by the bacteria was much shorter than it should be. Upon further investigation, it was found that the DNA of the human insulin gene had a mutation while in the bacterial cells. What type of mutation could not result in these observations?
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Body composition has little to do with cardiorespiratory fitness. True or Faulse.

Answers

The answer is false. A number of additional factors effect cardiorespiratory fitness, but body composition is a big one. If you are inactive and 100 or more pounds overweight, your cardiorespiratory fitness will suffer greatly, especially compared to an active person with the proper body weight to their height and age.
the answer is false......................

Is a tiny, hair-like fiber that aids in movement.

Answers

there could be multiple answers to this due to where the hair like fibre is. if it is on a bacteria to aid movement it is called a flagella. if it is attached to a cell, for example in the throat or oviduct, it is called a cilia 

Answer:

The correct answer is Cilia

Explanation:

what fossil evidence indicates that evolutionary change may have occurred within a time frame known as gradualism

Answers

The fossil record ! Hope it helps! 

Answer:

Phylogeny

Explanation:

Some experiments involve two groups what are they called?

Answers

hope this helps:)

sorry if this is wrong

if it is i’ll try again so just tell me if it’s wrong:)

The trunk of a tree is its _____.
root
stem
leaf
flower

Answers

The trunk of the tree is its stem. It offers support and strength and contains the tissues and networks that run from the roots to the leaves.

In one generation, the frequency of the A allele is 70 percent and the frequency of the a allele is 30 percent. What are the chances of an individual in the next generation having the genotype aa if the population is in genetic equilibrium? 49% 42% 30% 9%

Answers

Answer:

The correct answer would be 9%.

As the population is in genetic equilibrium, then the population must be following the Hardy-Weinberg equations:

p + q  = 1 and

p² + q² + 2pq = 1

The frequency of A (dominant allele) in a population is 70 percent.

Thus, the value of p would be 70/100 which comes out be 0.7

Similarly, the value of q would be equal to 0.3

The frequency of individual with homozygous recessive genotype, that is, aa would be equal to q².

So, q² = (0.3)^(2) ⇒ 0.09

Thus, the frequency of individual with genotype aa would be equal to 9 percent.
9%

Why?
The frequency for allele a is 30% or 0.3. Let's call this frequency p.
p^2 would then represent the frequency of genotype aa (this is is derived from the formula p^2+2pq+q^2=1 where p and q represent alleles a and A respectively. So p^2=aa, pq=Aa and q^2=AA)
0.3^2=0.09 or 9%
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