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AveGali [126]
3 years ago
13

What are 2 characteristics of index fossils?

Biology
1 answer:
Galina-37 [17]3 years ago
7 0
A useful index fossil must be distinctive or easily recognizable, abundant and have a wide geographic distribution and a short range through time. Index fossils are the basis for defining boundaries in the geologic time scale and for the correlation of strata.

hope this helps :)
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How do community contribute in maintaning the health of ecosystem??<br>​
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Answer:

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Which of the following modifications of a stem provides storage?
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It is called the Tuber.
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Briefly explain how an antibiotic-resistance gene and the lacz gene can be used to determine which cells contain a particular pl
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7 0
3 years ago
Only answer the questions on the right side. :)
Juliette [100K]

Genotypes [ genetic characteristics ]:

50% TT

50% Tt

Genotypic ratio:

2 : 2 : 0

Phenotypes [physical characteristics ]:

100% tall eyeballs

Phenotypic ratio:

4 : 0

Did the hospital make a mistake?

Yes, because the physical appearance of

the baby must have tall eyeballs.

No genotypes of the punnet square include a homo-zygous recessive trait.

Therefore the offspring must recieve a recessive allele from each parent to exhibit it so based on the data, it is impossible to have a baby with short eyes.

6 0
3 years ago
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