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Mars2501 [29]
3 years ago
12

The end of the ordovician period was signaled by

Biology
1 answer:
eimsori [14]3 years ago
3 0
According to historical accounts, through the use of advancements in technologies like the carbon dating, it is roughly estimated by scientists that the Ordovician Period lasted only for 45 million years. The end of its era was theorised to had signalled when there was a mass extinction of the marine animals.
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During which step of meiosis do homologous chromosomes pair up?
katrin2010 [14]

Answer:

<u><em>PROPHASE</em></u>

Explanation:

The first stage in Meiosis I is prophase I. During this stage the DNA condenses into chromosomes. During prophase I, homologous chromosomes pair up and exchange sections of DNA. This is called recombination or crossing over

5 0
3 years ago
Si cruzo dos rosas rojas ambas heterocigotas (Rr)
musickatia [10]

Answer:

GRACIAS

Explanation:

MAMA SITA

7 0
3 years ago
In which part of Asia is the Arabian Peninsula<br> located?
d1i1m1o1n [39]

Answer:

Hiya there!

Explanation:

Southwest Asia

Arabia or the Arabian Peninsula is a peninsula in Southwest Asia, northeast of Africa between the Red Sea in the west and the Persian Gulf in the east. The southern part of the peninsula is bounded by the Gulf of Aden in the southwest and the Gulf of Oman, and the Arabian Sea (Indian Ocean) in the southeast.

<em><u>Hope this helped!</u></em> :D

Credit sourced from "nationsonline"

8 0
3 years ago
Read 2 more answers
Which characteristics do all bony and jawless fish have in common? Check all that apply.
Alla [95]

Answer:

It's Gills because there not human and use gills to breathe in water

5 0
3 years ago
Read 2 more answers
Your brother and sister-in-law do not like to cook and neither one of them seems to have a very good understanding of nutrition.
zvonat [6]

The provided question is incomplete as the options are not provided, however the options are as follows:

a. spend a considerable amount of their budget on fast food

b. are more likely to have high blood pressure, heart attacks, and cancer

c. are more likely to have ADHD

d. are more likely to be married to their jobs and ignore their families

Answer:

The correct answer is option B.

Explanation:

The chances in people with high BMI, over weight and obese to develop high blood pressure, heart attacks and cancer. Due to the fat deposit and blockage of the artery blockage.

Rest of the options are inappropriate to the case as given as only case that affected by the obesity or overweight as ADHD is not related to the overweight or obesity.

Thus, the correct answer is - option B.

5 0
4 years ago
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