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matrenka [14]
2 years ago
12

Scientists observed a rock stadium with fossils. If mollusk evolved before arthopods where will their fossils be found

Biology
1 answer:
aliina [53]2 years ago
6 0
Thing you need to get out of school to leave this place
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A small number of finches live in a protected bird sanctuary. Natural selection
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Answer:

Natural selection  is least likely to occur in this population if:

  • The resources are continuously available

For a species to survive in an area, it is essential that the place has enough resources like nutrients, space, water etc. If these resources are available then there will be less chances of competition which will lead to lesser chances of natural selection.

  • The number of of death rates is equal to the number of of birth rates

In an balanced ecosystem, the number of birth rates is equal to the number of death rates for a population. If the number of death rates is lesser to the number of birth rates then the competition for resources will lead to natural selection.

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Parents who belong in certain parenting groups because of your style in parent hood
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What is the compire between phylum and xyleom?
bagirrra123 [75]
Xylem Phloem are the vascular tissues that transport the food, minerals and water within the plant. Xylem transport the water and minerals while Phloem transport food and nutrients. The movements in Xylem is unidirectional from roots to aerial parts while the movements in Phloem are bidirectional.
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3 years ago
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What activation energy was used to start the chemical reaction in the burning marshmallow?
Sonja [21]

Answer:

This question is incomplete

Explanation:

This question is incomplete. However, let's understand some terms

Activation energy is the minimum amount of energy required for a reaction to proceed. Under normal condition, when the activation energy is high, it takes longer for the reaction to proceed than when it is low.

The burning of marshmallow is an exothermic reaction as it involves the transfer of heat energy into the environment.

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How might a single base substitution in the sequence of a gene affect the amino acid sequence of a protein encoded by the gene,
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The effect differs. It could produce a different amino acid in the sequence because the corresponding codon has changed. It could also prevent the production of the originally intended sequence by changing one of the amino acids of a "start" codon (aka AUG) or extend the protein's sequence by modifying a "stop" codon (UAA, UAG, UGA or UGG), producing a new protein that might be useless or have different effects on the cell.
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