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Nina [5.8K]
3 years ago
10

The emergent property of "life" appears at the ________ .

Biology
1 answer:
Genrish500 [490]3 years ago
6 0

Answer:

Molecular level

Explanation:

Life is considered an emergent property of interactive molecules in a primitive environment. It is said to be emergent because life properties are not reducible to single molecules properties or even to the properties of all molecules contained in living systems. New properties emerge when all these molecules are part of living systems.

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True or False: The following example populations meet the basic requirements of Hardy-Weinberg equilibrium. a. A small, isolated
Setler79 [48]

Answer:

Only option D is TRUE. The rest are FALSE.

Explanation:

In Hardy-Weinberg equilibrium, there is virtually no change in the frequency of alleles and genotype, in a population, meaning there is a genetic equilibrium in that population which shows no real evolutionary change has occurred. According to the , several conditions must be met before such equilibrium can be said to occur in a population, these requirements or conditions are:

1. There must be an unrestricted random mating

2. Mutation that results in the change of gene is absent

3. The population size must be large enough

4. Absence of migration,i.e. no movement of members out of a population or into a population

5. No natural selection

Now let’s take a  at the example of populations given, stating whether they meet the above listed conditions or not

For option A, which is “A small, isolated population of seals living in a stable environment with no genetic mutations” this is False, a small population size of seals is more likely to have its allele frequencies changed by random fluctuations compared to a large population size of seals. This does not satisfy condition number 3 listed above.

Option B, “A large population of fish where females mate with males based on size” is False. It does not satisfy condition number 1 listed above. In this population example, there is restricted random mating.

Option C “A population of birds with no genetic mutations that often mate with members of neighboring bird populations” is False. It does not meet condition 4, because there is exchange of genes with other populations that might have different allele frequencies.

Option D “A large, isolated population of squirrels that lives in a stable environment, has no genetic mutations, and mates randomly” is True. This meets all conditions listed above.

Option E “A large population of spiders that experiences immigration from a second nearby population” is False. This does not meet condition 4.

4 0
2 years ago
How is there diversity in all living things?
cricket20 [7]
Species diversity refers to the number of different species in an ecosystem or on the earth as a whole. This is the commonest way to measure biodiversity.
5 0
3 years ago
Read 2 more answers
Which derived character caused the k. monera to be divided into the k. archaebacteria and the k. eubacteria?
Flura [38]
Derived characteristics refers to those traits that have changed from ancestral form or function. The derived character, which cause K. monera to be divided into K. archeabacteria and K. eubacteria is that genetically and biochemically the two are different. The archeabacterial possess unusual lipid, which is not find in eubacteria or any other organism. And this give it the capacity to live in extreme environments.
7 0
2 years ago
An example of an epigenetic change is
Oksana_A [137]

Answer:

The correct answer is option d.

Explanation:

An illustration of epigenetic change is a microbe, which can stimulate modifications in the host DNA, causing suppression of defenses or weakening of individual cells. Epigenetic changes modify the physical composition of DNA.  

One of the examples of epigenetic change is DNA methylation. DNA methylation refers to the supplementation of methyl group, which inhibits some of the genes from getting expressed. One of the conditions of DNA methylation is cancer.  

In the majority of cancer, the tumor cells go through global hypomethylation. The tumor suppressed genes seem to turn highly methylated in the conditions of cancer.  

5 0
3 years ago
Water absorbed by the roots of tall trees is transported up to leaves on the highest branches. Which properties of water contrib
SVEN [57.7K]
C sounds correct........
7 0
3 years ago
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