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const2013 [10]
3 years ago
10

Which process MUST occur before mitosis and meiosis can occur?

Biology
2 answers:
padilas [110]3 years ago
7 0
Hi! The answer to this question is B, DNA replication. 

Please provide the brainliest answer :)

Hope this helps,
Kylie
spayn [35]3 years ago
3 0

The answer is B: DNA replication

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Explain how the lack of genetic diversity found in populations of endangered species might hinder their recovery
Lelu [443]

Hi

The term lack of genetic diversity for a particular population refers to the fact that there are less number of alleles and less range of phenotypes and traits like (height, skin, color, ability to cope disease, ability to change metabolism as per requirement etc).

If we talk about endangered species, they are the specie which are prone to be extinct in near future because their population is very less in number. There can be multiple reason of becoming endangered for a population such as over hunting etc.

So when we say that an endangered population is genetically less diverse, it means that there are further difficulties that hinder their recovery.

For example: If a calamity stucks, all organisms that are already low in number and also genetically less diverse, so they cannot cope with calamity and get extinct. However, if this population is genetically more diverse, some organisms may survive some may die, and those which survive can recover the population. That is why it becomes more difficult to recover an endangered specie if it is genetically less diverse. The more the genetic diversity, better it is for specie.

Hope it help!

6 0
3 years ago
Question 6: Why might islands be good ecosystems to study the outcomes of the founder effect?
Svet_ta [14]

Answer: This can be useful site to study the diversity of organisms.

Explanation:

The founder effect is the known phenomena proposed by Ernst Meyer. It occurs when a small number of organisms leave the larger population. The genetic variation will be lost when a new population is established by the small population. Due to lack of genetic variation the new population becomes phenotypically and genotypically different from the parent population. This process lead to speciation.

The islands are the regions where few organisms can be found, those have migrated from the native land. Thus the study of diversity of these organisms will become simple.

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3 years ago
Wanda and Marita are drinking bottles of water. Each girl sounds a different musical note by blowing across the top of her bottl
Vanyuwa [196]
Different circumferences of bottle openings cause different pitches when air is blown over.
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Which process can be found in both bacteria and protists?
yuradex [85]

Protists obtain food in one of three ways: absorption, ingestion, and engulfing. Most protozoa are free-living in soil and water and enter the activated sludge process through inflow and infiltration. Bacteria are the primary food source for protozoa

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3 years ago
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Which best explains the difference between a ball-and-stick model of a chemical compound and a space-filling model?
lozanna [386]

Answer:

Ball-and-stick models show the bonds between atoms, but not the relative sizes of atoms. Space-filling models show the relative sizes of atoms, but not the bonds between atoms.

4 0
3 years ago
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