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laiz [17]
3 years ago
14

Need help asap question 9 - 20 points

Biology
1 answer:
Anna35 [415]3 years ago
4 0
I say it’s decreasing as the youngest 8 populations are smaller than their parental population ( the 8 above them)
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Barry is applying the principles of relative dating to a building that has been constructed. Analyzing a section of the building
navik [9.2K]

Before

Principle of superposition of strata

Younger

Principle of cross cutting

Explanation:

Relative dating is method of assigning ages to geologic events in nature. This is based on certain principles and laws proposed by earlier geologists.

Relative dating differs from absolute dating in that absolute dating assigns real quantitative numbers to geologic events.

  • From the analogy of the building provided, according to the principle of superposition of strata, the oldest layer is at the bottom of the sequence and the youngest on top.
  • The lowest part of the section must of the section must have been constructed before the parts above it were constructed.
  • Based on the principle of cross cutting "geologic features that cuts another are usually younger than the sequence they cut through ".
  • The cracks on the wall is cross-cutting feature that appeared after the wall was formed.
  • Therefore, it is younger than the wall.

learn more:

Fossils brainly.com/question/12790206

#learnwithBrainly

8 0
3 years ago
HELP ASAP PLEASE!!!!!!!
zmey [24]

Answer:

None

Explanation:

Because it is controlled hence in our control soooo.... No need to test

6 0
3 years ago
Please help! punnet square and shouldn’t be hard! thank you
irina1246 [14]

Answer:

In the resulting offspring the correct proportions are for the genotype 1:1 and for the phenotype 1:1 (first option).

Explanation:

According to Mendel's Laws, the product of the cross between a heterozygous individual and a homozygous recessive for a character will always be a hybrid or recessive offspring as the Punnett square shows on image.

For the character -tall and short- of the pea plant:

Alleles    t         t

T           Tt        Tt

t             tt         tt

<u>For the genotype</u>: probabilities that in the offspring there are hybrid individuals with genotype Tt is 50% and recessive tt 50% .

<u>For the phenotype</u>: the probabilities of tall plants in the offspring are 50%, and 50% short plants.

A 50:50 ratio, for genotype and phenotype, is equivalent to saying that both phenotypic and genotypic ratio is 1:1.

Learn more:

Example of Punnett square brainly.com/question/1299325

4 0
3 years ago
What is a trophic level?
Angelina_Jolie [31]

Answer:

A trophic level is a level of an organism in the food web, and can be a producer, primary consumer, secondary consumer, apex predator, decomposer, etc.

3 0
4 years ago
Read 2 more answers
According to the excerpt above from a health journal, what decision can an athlete make regarding his diet?
shepuryov [24]

The correct answer is A. His diet should include foods such as eggs, nuts, and fish.

Explanation:

The excerpt from the journal explains the importance of protein intake for athletes as this contributes to many body functions such as "enzyme production" or "growth and repair of tissues". In this context, athletes will need to have an appropriate protein intake, which is essential to growth muscles or repair them if there is a lesion. Moreover, this can be obtained through the intake of foods such as eggs, nuts, fish, grains, among others. In this context, the best decision is expressed in option A.

5 0
3 years ago
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