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3 years ago

When alzheimer disease sets in early and impacts those under age 60, the final phase of the disease typically occurs around?

1 answer:

8 0

When alzheimer disease sets in early and impacts those under age 60, the final phase of the disease or death typically occurs around 3 to 5 years after the first signs of the disease appear. Alzheimer's disease is the most common type of dementia, which is represents the memory loss and other cognitive abilities serious enough to interfere with normal life. Alzheimer accounts for about 60 to 80 percent of dementia cases.

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The widows peak that is seen in some people is an example of what type of trait?

Ksju [112]

Answer:

A. single-gene

Explanation:

It is controlled by a single gene that has two alleles. The allele for a widow's peak is dominant over the allele for a hairline with no peak.

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2 years ago

Draw three different food chains, from this food web, that contain an aphid.

serg [7]

The food chain that would include an aphid include:

Plant ---> Aphid ----> Birds
Plant ---> Aphid ----> Spiders
Plant ---> Aphid ----> Bat

<h3>What is a food chain?</h3>

A food chain is a chart that shows how food is transferred from producers to consumers.

Producers are plants as they are responsible for producing food from inorganic materials using the Sun's energy.

Consumers depend on plants and other organisms.

The food chain that would include an aphid include:

Plant ---> Aphid ----> Birds
Plant ---> Aphid ----> Spiders
Plant ---> Aphid ----> Bat

Learn more about food chain at: brainly.com/question/19066362

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2 years ago

scientific investigations often lead to the formulation of new scientific questions. charle’s darwin reviewed his observations a

Sergeeva-Olga [200]

The question that Charles Darwin would be prompted to ask on his voyage is as follows: can selection in nature also lead to a new species over time?.

<h3>Who is Charles Darwin?</h3>

Charles Darwin was a British naturalist/scientist and founder of the theory of evolution by natural selection.

He is best known for his award-winning work on the origin of species, which he published in 1859. Darwin developed his theory from findings he made following a five-year expedition on board HMS Beagle.

According to this question, Darwin reviewed his observations after he returned home from his voyage studying the selective breeding of pigeons.

The question that Charles Darwin would be prompted to ask on his voyage is as follows: can selection in nature also lead to a new species over time?.

Learn more about Charles Darwin at: brainly.com/question/16489282

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3 0

1 year ago

Which grain is a type of grain that can grow in arid environments and provide a high amount of protein? ______ is a type of grai

stich3 [128]

Sorghum and millet are the grains that thrive well in arid environments. Sorghum is a close relative of the smaller millet, with the latter measuring only a third in size to sorghum. It is important to know that sorghum is sometimes called great millet.

Every 192 -gram cup of cooked whole sorghum or millet contains 22 grams compared to wheat (16 grams), brown rice (15 grams), and maize (16 grams).

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3 years ago

Identify three of Earth's resources on which humans and other organisms depend for the long-term survival of their species

ella [17]

We have food water and air. We also have shelter.
Food,Water,Shelter,Air is the answer.

8 0

2 years ago

Read 2 more answers