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sattari [20]
3 years ago
12

I'LL MARK BRAINEIST I NEED HELP ASAP

Biology
2 answers:
Julli [10]3 years ago
8 0

Answer:

a large boulder I guess , please double check

MrRa [10]3 years ago
7 0

<em><u>A large boulder,because it is the most sturdy out of all options.</u></em>

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As far as Alzheimer's researchers know, the primary cause of Alzheimer's disease is:
xxMikexx [17]

Answer:

a. deterioration of neurons that produce the neurotransmitter acetylcholine.

Explanation:

Alzheimer's disease -  

It is a disease associated with memory , it is a type of dementia .

The initial stages of the disease is the remember new things , the day to day task becomes very difficult with time .

During this disease the neurons get deteriorated day by day , which are responsible to produce the acetylcholine .

Hence , the correct statement about Alzheimer's disease is ( a ) .

4 0
3 years ago
Click to review the online content. Then answer the question(s) below, using complete sentences. Scroll down to view additional
STatiana [176]

Answer:

There are several reasons why it might be a good idea to write down your ideas and discoveries when you perform initial research on a topic. First, when you begin your research, you might get a lot of questions and doubts because you are not familiar with the topic. If you write these down, you are more likely to seek answers to these questions later on and gain a better understanding of them. Second, your initial ideas might not be all good, but they might lead you towards a good thesis. Writing them down ensures that these are not lost. Finally, by writing down your ideas and thoughts you actively engage with the subject, leading you to a better understanding of it.

plz make me brainliest

Explanation:

4 0
3 years ago
When would a male be expected to improve his fitness by attempting to mate at sea rather than establishing a harem?.
Colt1911 [192]

D. A small male will do better mating at sea when suitable beaches are more common than are large, dominant males.

When small males are relatively abundant then would a male be expected to improve his fitness by attempting to mate at sea rather than establishing a harem.

The ability of an organism to reach reproductive age, find a mate, and give birth is referred to as biological fitness, sometimes known as Darwinian fitness. In essence, the number of offspring an organism has over the course of its lifespan determines its biological fitness.

Harem- A group of animals known as a harem consists of one or more males, several females, and the offspring of those females. The dominant male drives away other men and maintains the group together.

The given question is incomplete, the complete question is,

Q. When would a make be expected to improve his fitness by attempting to mate at sea rather than establishing a harem.?

A. A large, competitively dominant male will do better matting at sea when small males are relatively abundant.

B. A large, competitively dominant male will do better matting at sea when suitable beaches are more common than are large, dominant males.

C. A small male will do better mating at sea when suitable beaches are rare and successfully defended by large males.

D. A small male will do better mating at sea when suitable beaches are more common than are large, dominant males.

To know more about fitness, click on the below link,

brainly.com/question/7265511

#SPJ4

6 0
2 years ago
What parts of the nervous system make up the central nervous system?
Elenna [48]

Answer:

The nervous system has two main parts:

The central nervous system is made up of the brain and spinal cord.

The peripheral nervous system is made up of nerves that branch off from the spinal cord and extend to all parts of the body.

hope it helps :)

6 0
2 years ago
How is the dispersive model different from the semiconservative model of DNA replication?
iogann1982 [59]

Answer:

It it not, In the dispersive model, one of the two resulting double helices is made of two old strands, and in the semiconservative model the other is made of two new strands.

6 0
3 years ago
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