Answer:
<h2>2. Peter's maternal grandfather has PKU.</h2>
Explanation:
- Such type of the genetic disorder in which two copies of a gene must be mutated at a time is called autosomal recessive disorder such as sickle cell anemia, phenylketonuria, and some other diseases.
- When a sing copy of a gene is mutated in a person then this disorder is not appeared and the person is called a carrier.
- So when a child is born by two carrier parents then there is a chance that a child will be affected if both the parents donate mutated genes.
- In the case of Peter, since peter does not show this defect this means his maternal grandfather was affected by this disorder.
The correct answer is letter A.
Rainforest deforestation is contributing to a decline in global biodiversity. Irresponsible logging causes the major destruction of many habitats. As a result, many living organisms that are thriving within these forests are displaced or are killed because they no longer have any place where they can thrive and live in peace with their respective species. Deforestation accounts for most of the major catastrophic natural events that we are experiencing at present.
Sorry if I am wrong
Answer:
Food is broken down into nutrients.
Skeletal system
Explanation:
improved soil fertility
Explanation:
One direct benefit of biodiversity is improved soil fertility. Biodiversity is the variety of plants and animals living in a particular ecosystem.
A soli is made up of organic matter. Organic matter is the remain of dead and decaying plant and animal materials in the soil.
Organic matter is a very important soil component.
Since plants and animals eat up plants which takes nutrients from the soil, there must be a way to replenish these vital soil materials.
The more biodiverse an ecosystem, the better its chance of adding more nutrients to the soil as they decay.
Learn more:
Biodiversity brainly.com/question/10723602
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