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3 years ago

1. The head is .............. to the tail.

Biology

2 answers:

sukhopar [10]3 years ago

6 0

Answer:b

Explanation:

For eat that [email protected]

Yuri [45]3 years ago

6 0

1. The head is ( superior ) to the tail.
2. The thumb is ( proximal ) to the elbow.
3. The lungs ( lateral ) are to the heart.
4. The nasal cavity is ( epithelium )to the mouth .
5. The heart is ( sternum ) to the elbow.
6. The heart is ( superior )to the stomach.
7. The stomach is ( located ) to the heart.
8. The diaphragm is ( inferior ) to the lungs.
9. The wrist is ( distal )to the shoulder.
10. The knee is ( proximal )to the ankle.

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A woman is heterozygous for the CF-associated gene (the alleles are represented here by the letters A and a). Assuming that meio

harkovskaia [24]

Answer:

The correct answer is C.

Explanation:

In the question, it is stated that the woman is heterozygous, which means she posseses both the dominant allele and the recessive allele (A and a). So taking this information into account, she can produce eggs given with the option C (Aa) which include both the dominant and recessive alleles.

I hope this answer helps.

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3 years ago

Complete the sentences to describe natural selection

Vikentia [17]

The environment needs to change in order to natural selection to occur.

Reason:

Because, Natural selection is the differential survival and reproduction of individuals due to differences in phenotype. It is a key mechanism of evolution, the change in the heritable traits characteristic of a population over generations.

2. Population has some genetic variations.

Reason:

Genetic variation is essential for natural selection because natural selection can only increase or decrease frequency of alleles that already exist in the population. Genetic variation is caused by:

mutation and random mating between organisms

3. Nature select organism with specific traits to survive and reproduce.

Reason:

According to Charles Darwin's theory of evolution by natural selection, organisms that possess heritable traits that enable them to better adapt to their environment compared with other members of their species will be more likely to survive, reproduce, and pass more of their genes on to the next generation.

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3 years ago

If zoologists wanted to study how tigers interact with each other in their habitats, which of these research methods will they m

alex41 [277]

Answer:

naturalistic observation

Explanation:

The best possible way to study how tigers interact with each other in their habitats would be to use a naturalistic observation. This type of observation focuses on observing the main subject of the study in it's natural environment without interfering in any sort of way. This allows the scientists to observe exactly how the tigers interact when there are no humans around.

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3 years ago

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Some factors that contribute to a person's optimal personal health include nutrition, exercise, and genetics.

Yuki888 [10]

Answer: True

Explanation:

It should be noted that nutrition, exercise, and genetics contribute to the optimal personal health of an individual.

Good nutrition has a positive effect on the health of individuals. Exercise is also good for ones body. Some environments can being about an increase in the risk of developing certain diseases as well as ones genetics as some diseases are hereditary.

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3 years ago

The change in CO2 levels in the air in the container for when the person was sleeping vs. when they were awake.

kicyunya [14]

Well CO2 levels are high , and that’s a shift in their reaction. so i suppose when the person is sleeping their CO2 levels are lower so if there is an answer asking if it’s lower then press that if not i don’t know i’m sorry :/. if you ever need anything else DM me lol

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3 years ago