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3 years ago

HELP PLEASE

Biology

1 answer:

Musya8 [376]3 years ago

5 0

Answer:

We usually categorize senses into 5 main groups: Touch, Smell, Taste, Sound, and Sight. All of these senses are detected by different types of nerves in different areas of the body. The cardiovascular system allows the brain to communicate with these nerves and receive signals from them. If the cardiovascular system isn't working properly, the brain cannot communicate with the body's nerves.

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Pure sugar is an example of a(n):

Vlad [161]

It is am example of a COMPOUND

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2 years ago

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How is the carbon cycle an example of law of conversation of energy?

qwelly [4]

Matter cannot be generated or destroyed, according to the Law of Conservation of Matter. Because the same carbon atoms are recycled throughout the carbon cycle, it is an illustration of the Law.

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1 year ago

The collapse of fisheries is most noticeable among the smaller fish that are consumed by larger predatory fish, such as sharks a

kakasveta [241]

Answer:

The correct answer is: False.

Explanation:

A Fishery collapse can be defined as the condition in which the composition of different species of fishes forming a food chain or a food web and located in a marine or aquatic community undergoes a drastic alteration.
The alternation can be caused due to environmental or anthropological factors.
A fishery collapse usually affects the larger fish population like sharks and tuna as their commercial and economic demand is higher.
Excessive fishing cause the population of the large fishes to decline without affecting the small fish population.
This is because the small fishes do not have high economic or commercial demand, hence they have very less probability of being angled or captured.

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2 years ago

Why is the Sl measurement system so important to the scientific community?

Lynna [10]

Answer:

Scientists use a shared system for reporting measurements called the International System of Units (SI). We use common measurement systems because science involves a lot of replication (i.e., repetition) to confirm results.

Explanation:

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2 years ago

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In the family tree below, people with the recessive trait of attached earlobes are shaded gray

serious [3.7K]

<h2><u>Full Question:</u></h2>

In the family tree below, people with the recessive trait of attached earlobes are shaded gray.

What must be true about the person labeled "A"?

A. It is a male with at least one dominant allele.

B. It is a male with two dominant alleles.

C. It is a female with at least one dominant allele.

D. It is a female with two dominant alleles.

<h2><u>Answer:</u></h2>

Its a male with atleast one dominant allele.

Option A.

<h3><u>Explanation:</u></h3>

The gene for the attached earlobe is recessive while the gene for the free earlobes is dominant. In the phylogenetic tree, we can see that both the father and mother aren't having attached earlobes. So both of them are having atleast one dominant allele which makes them have free earlobe.

In the F1 offsprings, one of the female and a male is having free earlobes. So both of them have atleast one dominant allele. The 2nd female is having an attached earlobe. So both the recessive allele have come form one parent each. So both of them are heterozygous.

Thus, the male marked as A atleast have one dominant allele. He can be a homozygous dominant, but the probability is 25%.

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2 years ago