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Anika [276]
3 years ago
11

The fossil record supports which of the following descriptions of the

Biology
1 answer:
Ivahew [28]3 years ago
7 0

Answer:

Complex organisms evolved from more simple organisms

Explanation:

<em>Fossil records support the fact that complex organisms evolved from more simple organisms.</em>

<u>Fossils are remains of organisms that have been naturally preserved in rock forms. </u>

The study of fossilized remains of organisms has enabled scientists to establish the fact that earlier organisms are simple types and more complex organisms arose from them through a gradual process of change, otherwise known as evolution. Carbon dating of fossils enables scientists to establish the year the organism existed.

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Two organisms, AABBCCDDEE and aabbccddee, are mated to produce an F1 that is self-fertilized to produce F2. If the capital lette
Galina-37 [17]

Answer:

a) How many genotypes will occur in F2

--The genotypes would be- AA Aa aa BB Bb bb CC Cc cc DD Dd dd EE Ee ee (15 genotypes)

Reason-

This is because, after crossing the parents, the F1 generation would all be Heterozygous dominant since one parent is homozygous dominant, while the other is homozygous recessive.

b) 25% of all F2 genotypes would be recessive across the 5 loci

Reason-

This is because each loci would produce only a 25% chance for a recessive trait, which would results to a general probability of 25% also.

c) Yes i would change my answer in A and B if the parent cross was- AABBCCDDEE X aaBBccDDEE

d) Yes i would change my answer in A and B if the parent cross was- AABBCCDDEE X aabbccddEE

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2 years ago
Question 5 (1 point)
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The potting soil because it’s the cause
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2 years ago
CAN ANYONE PLS ANSWER DIS!!!! THE OTHER ONES ARE THE NOTES!!
777dan777 [17]
  1. Prokaryotic cells have a cell wall surrounding their cell membrane .The Prokaryotic cells don't have a well defined nucleus .The genetic material of the cell is basically naked and not enveloped by the Nuclear membrane .
  2. Eukaryotic cells don't have a cell wall surrounding their cell membrane. The Eukaryotic cells have a well organised nucleus .The genetic material of the cell is surrounded by nuclear membrane or nuclear envelope.
  3. Both Eukaryotic and prokaryotic cells have DNA.Both have a plasma membrane or cell membrane.
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2 years ago
Los anelidos estan en peligro de extincion? Si estan en peligro ¿Por qué? cuales son sus amenzas
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Sus amenazas son su predador

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2 years ago
What is the purpose of MITOSIS?
Mumz [18]

Answer:

D

Explanation:

A: to create sex cells of reproduction.

This is the purpose of meiosis: a cell division process. It creates gametes, or sperm and eggs.

B. to provide the cells with food

This would be eating for animals, or photosynthesis for plants. When animals eat, it provides their cells with food. When plants photosynthesize, they create their own food in the form of glucose.

C. To give the cell energy

This would be cellular respiration. It turns food and glucose into usable energy called ATP.

D.

This is the correct choice. Mitosis is cell division, which means it creates new cells. This allows organisms to grow and repair.

7 0
3 years ago
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