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Neko [114]
3 years ago
11

-Present-day mitochondria and chloroplasts probably evolved as a consequence of early endosymbiosis: the ancestor of the eukaryo

tic cell engulfed a bacterium, and the bacterium continued to function within the host cell.
1) What is the Endosymbiont theory? What is the evidence supporting this theory?

​
Biology
1 answer:
nata0808 [166]3 years ago
5 0

Answer:

The evidence suggests that these chloroplast organelles were also once free-living bacteria.

Explanation:

The endosymbiotic event that generated mitochondria must have happened early in the history of eukaryotes, because all eukaryotes have them.

:)

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. A Darwinist is likely to believe that A) heritable traits cannot be altered by experience. B) all human behavior has its roots
barxatty [35]

Answer:

A) heritable traits cannot be altered by experience

Explanation:

This is because the Darwinist believe that heritable traits were  acquired from previous generation not  from practise  or  learning which may  develop to experience with time.He believed that certain selective pressures must have acted  or selected these  organisms to possess these heritable characteristics, and can not be altered by experience  whicg is acquired with age.

He should conclude therefore  that variation in the organisms which possess these characteristics should be the main factor which gives them selective advantages to inherit these traits compare to others in this same   surrounding environment  Therefore  he will discard the influence of environment.

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3 years ago
Geotropism is another word for<br> Select one:<br> O geology<br> Ogravitropism<br> Ophototropism
Degger [83]

Answer:

Gravitropism

Step-by-step explanation

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3 0
3 years ago
Is The Following Sentance True Or False: Common Sense was published in Philadelphia in January 1776. Within months, 120,000 copi
Alex73 [517]

this statement is true

6 0
3 years ago
In the experiment determining the parental genotype of plant seedlings from a monohybrid cross, if the dominant color was green
eimsori [14]

Answer:

cc × cc

Explanation:

This question involves a single gene coding for plant seedling. The green allele (C) is dominant over the white allele (c). This means that the green allele will mask the phenotypic expression of the white allele in a heterozygous state (Cc).

In this experiment where plate 1 only contained white seedlings instead of all green, this illustrates that all the offsprings were recessive. This is because the parental genotypes were both recessive for the color trait i.e. cc.

Note that, the recessive trait can only be expressed when the recessive alleles are present in a gene. Therefore, the parental genotype would have been cc × cc, in order to give rise to all offsprings with the recessive trait (white colour).

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saveliy_v [14]
Unicellular has one singular cell, multicellular has more than one
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3 years ago
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