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Reptile [31]
3 years ago
10

What can fossils tell us about Geologic history?​

Biology
1 answer:
const2013 [10]3 years ago
5 0

Answer:

By studying the fossil record we can tell how long life has existed on Earth, and how different plants and animals are related to each other. Often we can work out how and where they lived, and use this information to find out about ancient environments. Fossils can tell us a lot about the past.

Explanation:

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Which of the following do not have organelles? A) Muscle B) Protozoa C) Nerve Cells D) Bacteria
forsale [732]
BACTERIA ARE SIMPLE CELLS THAT DON'T CONTAIN ORGANELLES.
6 0
4 years ago
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A foal from a red colored mother and a white colored father, has a light red coat. What are the likely genetics behind the foal’
kondaur [170]

Answer:

The likely genetics will be incomplete dominance for such a phenomenon.

Explanation:

Incomplete dominance occurs when the dominant allele is not fully or completely showing dominance over the recessive allele.

When parents with such alleles are crossed, the resulting offsprings will show a physical trait which is intermediate and different from both of the parents.

In the scenario discussed in the question, the red colored mother and the white colored father are producing offspring that have light red coat. This is because the red color is not completely dominant over the white color. Hence, an intermediate light red color is seen in the offspring.

4 0
3 years ago
Please help, these questions on my hw are confusing to me.
Mariana [72]
10. before replication begins, the strands of DNA are separated and used as templates for the new strands. the replication process creates 2 identical double helixes, each has 1 new strand and 1 old one.

11. without dna replication, damaged cells could not be replaced/repaired and cells need dna, cells would become mutated without dna replication.

12. mutations are rare because dna polymerase proofreads the strands but if the process occurred incorrectly and was not corrected by the polymerase, the cell would become mutated and could be really harmful.

hope this helped!
4 0
3 years ago
Read 2 more answers
A horticulturalist wants to produce geraniums with specific characteristics. She knows that the trait of red flowers is governed
LenaWriter [7]
That the Red flowers are a dominant trait, and the white flowers would be recessive.  

The Red Flowers are Homogenous Dominant
In a punnet square, The Genotype ratio for the red flowers would be 2:2 
The phenotype would be 4:0 

For the white flower 
The Genotype would be 1:1
and the phenotype would be 1:0 
The white flowers are Homogenous recessive





7 0
3 years ago
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Alkaline pancreatic juices work in ___________
sergiy2304 [10]

Answer:

The correct answer will be Option-C.

Explanation:

The pancreas is an organ which plays an important role in the digestion of the food.  Pancreatic juice is secreted by the pancreas which contains digestive enzymes as well as the sodium bicarbonate (base).

The sodium bicarbonate is required for the digestion of the food as after the acidic digestion of the food in the stomach, the food chyme enters small intestine. The inner lumpen is not structured to handle the acidic chyme so sodium bicarbonate neutralizes the acid chyme that entered the lumen of the small intestine.

Thus, Option-C is the correct answer.

4 0
3 years ago
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