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jonny [76]
3 years ago
15

What does the principle of uniformitarianism state?

Biology
1 answer:
viva [34]3 years ago
3 0

What does the principle of Uniformitarianism state?

A. Geologic processes taking place on the Earth today operated similarly in the past and can be used to explain past geologic events.

B. Sedimentary rocks are deposited in approximately horizontal layers; if they are not horizontal, they have been rearranged by the action of forces within the Earth.

C. Younger rocks are deposited on top of older rocks in undisturbed sedimentary rock laters.

D. Specific groups of organisms have followed, or succeeded, one another in a definite sequence through Earth's history.

<u>Answer:</u>

The principle of Uniformitarianism state Geologic processes taking place on the Earth today operated similarly in the past and can be used to explain past geologic events.

<u>Explanation:</u>

  • Uniformitarianism is a geological doctrine, explains the present geologic process occurs at the same rate which was observed today in the same method for all the earth geological features.
  • The Doctrine of Uniformity is the other name for Uniformitarianism. The concept in the Uniformitarianism is the present is "the key to the past". There are many concepts in geoscience but it is considered an important one.
  • It was developed in the late 1700s. It says that the landforms that present on the earth's surface are not based on a catastrophic process.  
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Choose all the answers that apply.
arlik [135]

Answer:

Option A, B, and C are correct

Explanation:

Incomplete dominance means that the trait represented by two alleles expresses themselves equally thereby hindering dominance of any of the allele completely.

Now,

Let us assume the allele of red petals be represented by "R" and the allele of white petals be represented by "r"

The pink flowers will have genotype "Rr"

Now if two pink flowers are crossed, the following offsprings are produced

Rr X Rr

RR, Rr, Rr, rr

Let us evaluate all the options one by one

a) Ration of pink flower to red flower ( Rr:RR)

There are 2 pink (Rr) flower and 1 Red (RR) , thus the ration of pink flower to red flower is 2:1. Option A is correct

b) one out of four offspring is white in color, therefore the % of white flower is

\frac{1}{4} * 100\\= 25\\%. Option B is correct

c) Two pairs RR and rr are homozygous, thus out of four offsprings two are homozygous. Therefore %of homozygous flowers will be

\frac{2}{4} * 100\\= 50\\%. Option C is correct

d) There are two heterozygous offsprings i.e Rr, therefore the % of heterozygous is \frac{2}{4} * 100\\= 50\\%. Option D is incorrect

e) half of the flowers are hybrid. Therefore option e is incorrect

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A younger neighbor told you that organs are large structures that keep us alive. How would you support their claim and explain t
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Answer: A cell is defined as the smallest functional units of the body

Explanation:

These cells are grouped together to form tissues, each of which has a specialised function, example blood, muscles, bone. Different tissues are grouped together to form organs with a special function. For example heart is an organ made up of muscles tissue, connective tissue, nervous tissue and vascular tissue. These tissues work in a coordinated manner and enable the heart to carry out the broader function of pumping blood continuously.

While organs are grouped together to form systems, each of which performs a particular function that maintains the body Internal environment and contribute to the health of the individual. For example the digestive system is responsible for taking in, digesting and absorbing food which involves a number of organs, including the stomach and intestines.

Therefore the statement that 'organs are large structures that keeps us alive" is a correct claim.

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2 years ago
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