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Airida [17]
3 years ago
12

I WILL GIVE BRAINLIEST

Biology
2 answers:
Reika [66]3 years ago
8 0
A. Numerous dinosaurs were in upper layers of rock , however not in lower layers
leva [86]3 years ago
7 0

Answer:

A. Many dinosaurs were present in upper layers of rock strata, but not in lower layers.

Explanation:

In my opinion, this is the best possible answer.

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Need help with 2. and 3. Thanks!
aleksley [76]

Answer:

Hair has 2 checks

Explanation:

I believe because if you read it you will see

6 0
3 years ago
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Zebrafish (Danio rerio) is an important model organism in the field of genetics. One of the first mutant genes to be studied in
BigorU [14]

Answer:

b

Explanation:

<em>Let the wild type trait, the silver-white, be represented by </em><em>A</em><em> allele and the mutant trait, the golden color, be represented by </em><em>a</em><em> allele.</em>

Heterozygous wild-type male fish would be Aa

Golden female fish would be aa

     Aa    x    aa

  Aa   Aa    aa    aa

2/4 Aa = silver-white

2/4 aa = golden color

<em>Hence, the percent likelihood of golden offspring is </em><em>2/4 or 50%.</em>

The correct option is b.

5 0
3 years ago
Cross-over involves the exchange of genetic information between
Ksju [112]

2 Homologous chromosomes in meiosis, and then replicate into sister chromatids.

Hope this helps, ( or is clear enough ) if not, comment below please!!!!

3 0
3 years ago
Which weather pattern consists of a high-pressure system with descending cool, dry air that leads to clear weather?
nlexa [21]

Answer:

anti-cyclone movements

Explanation:

5 0
3 years ago
The limbic system is responsible for ____________. connecting the brain to the rest of the body fighting disease organisms that
Nina [5.8K]

The limbic system is responsible for controlling learning and emotional behavior

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