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Ksenya-84 [330]
3 years ago
5

In normal humans, sex cells contain the _________ number of chromosomes.

Biology
2 answers:
Tamiku [17]3 years ago
7 0
In normal humans, sex cells contain the haploid number of chromosomes. 

The correct answer is B). 
Marta_Voda [28]3 years ago
5 0
In normal humans, sex cells contain the haploid number of chromosomes. 

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Animals that live on intertidal rocks often exhibit compressed or dorsally flattened bodies. this is an adadptation that protect
Serhud [2]

Answer:

d. wave shock

Explanation:

An adaptation can be defined as a phenotypic trait that makes an organism and/or species better suited to its environment, thereby this organism/species will have more chances to survive and reproduce in such conditions. Rock-dwelling aquatic animals have different ecological, morphological and behavioral adaptations to survive in this type of environment. In this regard, it is well-known that these organisms show dorsally flattened bodies, since it is one fundamental morphological adaptation which helps them to dissipate the force of the waves.

7 0
3 years ago
Which best illustrates a result of natural selection?
Yanka [14]

Answer: The correct answer is -

D) giraffes having increasingly longer necks over time.

Natural selection is an evolutionary mechanism that was proposed by Darwin.

According to this mechanism, organisms that are better capable of adapting to their changing environmental conditions, survive and increase their number through reproduction whereas other are eliminated from the population.

Example - Long neck of Giraffe, which is much elongated, lofty stature, that was beautifully adapted for browsing on the higher tree branches. This was an adaptation with slow and gradual change in the gene frequency as the lower vegetation was eaten by other animals. Due to this, giraffes had to search for other source (that was higher tree branches).

This is considered as a peculiar example of natural selection.

7 0
3 years ago
Read 2 more answers
A reagent is a(n): user: a reagent is a(n): select one:
slavikrds [6]
It is d, a substance that participates in a chemical reaction. You can also tell it just by looking at the stem of the term :)
3 0
3 years ago
3. Name two forces that may act on objects at a distance.
zavuch27 [327]

Answer:

gravitational force

magnetic force

electrostatic force

7 0
3 years ago
Peanut seedlings were grown under identical conditions. What factor could account for differences in height among the seedlings?
Vladimir [108]
The correct answer of the given question above would be GENETICS. When peanut <span>seedlings were grown under identical conditions, the factor that could count for differences in height among the seedlings is GENETICS. Hope this answer helps you. Thanks for posting your question.</span>
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3 years ago
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