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Xelga [282]
3 years ago
5

A fern dies and is buried beneath many layers of mud, sand, and/or soil. Many years pass, and the mud, sand, and/or soil harden

and turn to rock. Years of erosion erode the top layers of rock away. Eventually, the fossil, which is in the same shape as the fern, appears on the top.
A. Amber
B. Mold
C. Cast
D. Imprint
E. Petrified
Biology
2 answers:
Cerrena [4.2K]3 years ago
8 0

Answer:

D

Explanation:

RSB [31]3 years ago
8 0
D is the answer he is correct
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8. In a population of beetles, there is a gene for color with two codominant alleles. The allele R leads to red beetles and the
Eddi Din [679]

Answer:

The genotypic frequency = 1:1

The phenotypic frequency = 1:1

Explanation:

Given that:

The allele → R = Red beetles

The allele → B = Blue beetles

Since the gene color shows a codominant allele

The Red Beetle = RR

The blue beetles will be = BB

The heterozygous beetle will be = RB

∴

The punnet square showing the crossing of RB × RR is:

                R                   B

R                RR               RB

R                RR               RB

The result shows that we have two red beetles and two heterozygous beetles.

Hence;

The genotypic frequency = 1:1

The phenotypic frequency = 1:1

8 0
2 years ago
Describe how the gamete cells are different from a parent cell.​
Fudgin [204]

Answer:

Gametes are haploid cells, and each cell carries only one copy of each chromosome. ... During meiosis, a diploid parent cell, which has two copies of each chromosome, undergoes one round of DNA replication followed by two separate cycles of nuclear division to produce four haploid cells.

7 0
2 years ago
Prokaryotes divide by binary fission, a form of asexual reproduction in which
evablogger [386]

Prokaryotes divide by binary fission, a form of asexual reproduction in which a cell divides into two cells with identical genetic information.

Explanation:

Binary fission and mitosis can be viewed as the same principle of  asexual reproduction to give out two identical cells. However, the major difference between the two is that binary fission is to prokaryotes and mitosis is to eukaryotes. Remember that prokaryotes do not have a true nucleus (they have a nucleoid) hence binary fission does not involve the dividing of the nucleus. Mitosis does.

Sexual reproduction is responsible for creating variation in offspring especially due to the process of meiosis in gamete development and subsequent fertilization of two gametes from different parents.

Learn More:

For more on binary fission check out;

brainly.com/question/13807858

brainly.com/question/917537

#LearnWithBrainly

6 0
3 years ago
The Roman Colosseum and many other ancient examples of architecture contain the metamorphic rock marble as part of their constru
Snowcat [4.5K]
True. Metamorphic rocks are pre-existing rocks that have been modified through the exposure to unusual temperatures and/or pressures. It has been used for blackboard, roofs, sidewalks, floors, and marble is an example of a  metamorphic rock that is used to make floor tiles, countertops and it is carved into statues and was used extensively in the building of the Roman Colosseum and other historic buildings. 
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3 years ago
A scientist constructs a graph to show the age structure of the human population of Country Y. The graph is shown here.
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