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Contact [7]
2 years ago
9

What does Greenberg identify as being a terrible problem, and how do we fix it?

Biology
1 answer:
Ivan2 years ago
8 0

To answer the question need to watch this video:

https://youtu.be/_jaWs87t5UM

Answer:

The correct answer is - A large amount of sea life is being taken from the ocean to feed other creatures.

Explanation:

In this video, Greenberg found out that there is a terrible problem as using fishing on a large scale causing harm to marine life and resulting in the extinction or endangering of species on large scale or taken from the ocean to feed other creatures.

To correct this he talks about the overfishing problems He talks about preventing people from overfishing so many fish do not have to face problems of extinction.

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Imagine a genetic counselor working with a couple who have just had a child who is suffering from Tay-Sachs disease. Neither par
Alexxx [7]

Answer:

C. "Because you have had one child with Tay-Sachs, you must each carry the allele. Any child you have has a 25% chance of having the disease

Explanation:

Tay-Sachs disease is an autosomal recessive disorder that means a child will acquire the phenotype or we can say disease only when both the alleles which cause disease are present in the child.

Here, in this condition neither parent has Tay-Sachs but they gave birth to a child who is suffering from the disease then it simply means that both the parents are carrier of this disease i.e. they both are heterozygous.

The cross and probability of healthy and diseased child is shown as under:

                          Mother        Father

Parents                    Tt               Tt

                              /        |          |     \

Off-springs         TT      Tt       Tt      tt

<u>Out of these 4 probable off-springs only 3 with genotype TT, Tt & Tt  will be healthy while the 1 with genotype tt will be diseased.</u><u> </u><u>So, the probability of diseased child is 1/4 which is 25%. </u>

Also, the birth of children is an independent event so if one child has already been born with this disease then it doesn't mean that the next 3 children will be healthy for sure i.e. birth of first child cannot influence the next child. In short we can also say that in the next birth, there is still 25% chance of the child being born with this disease because previous birth has nothing to do with next birth.

7 0
3 years ago
What would happen to the moons orbit if the sun suddenly disappeared? GIVING BRANLIEST!!!.
natita [175]

Answer:

If that were true, then the first thing that would happen when the sun disappeared is that Earth, along with all the other planets, would go flying off into space. It would be complete and utter chaos in our solar system. ... Therefore, we would still see the sun in our sky eight minutes after it was gone.

Hope this helps! :) )

4 0
3 years ago
Name 2 ways the forelimbs and hind limbs are different in a frog
azamat

Answer:

Frog forelimbs are typically short as the hind limbs are the principal limb pair generating propulsion.

3 0
3 years ago
Read 2 more answers
A team of scientists conducted a study of grassland ecosystem and estimated the total energy at each trophic level. Their data i
maria [59]

Answer:

In grassland ecosystem, first trophic level is the producer. Producers are the organisms which makes their own food, here the producer are grasses. The second trohic level contain herbivores which feed on these grasses. These herbivores are eaten by secondary consumers which belongs to third trophic level and secondary consumers are then eaten by tertiary consumer.

The population of producers are very high so it is placed at the base while tertiary consumer are placed on the top due to low population.

8 0
3 years ago
Maintenance of normal intracellular fluid volume depends largely on the intracellular concentration of _____ ions.
Pepsi [2]
Water is attracted to ions, such as sodium, potassium, phosphate, and chloride ions. Maintenance of normal intracellular fluid volume depends largely on the intracellular concentration of potassium and phosphate ions. Maintenance of extracellular water volume on the other hand depends primarily on the extracellular concentration of sodium and chloride ions.
3 0
3 years ago
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