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sweet [91]
3 years ago
15

Question 7

Biology
1 answer:
Darina [25.2K]3 years ago
7 0

Answer:

A

Explanation:

Because we people select cows for breeding for their traits of big muscles and producing lots of milk so us humans artificialy seselct these healthy cows for their traits

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Which best describes how ocean currents are created?
Y_Kistochka [10]

Answer: Option C

Explanation:

The main reason by which the ocean currents are formed is the rotation of earth. The earth rotates on its own axis and due to this reason there is a huge mixing of the water from the equator and poles which is termed as ocean currents.

Ocean currents are important as it controls the global temperature. The water at the equator is hot and the water at poles are cold.

Due to the rotation of the earth the water and air moves from the colder regions towards the hotter region and hotter to colder and this causes ocean currents.

6 0
3 years ago
Read 2 more answers
2. Why is the kingdom Protista not valid under evolutionary classification? (1 point)
HACTEHA [7]
The best and most correct answer among the choices provided by your question is The best and most correct answer among the choices provided by your question is the last choice.
<span>
Kingdom Protista is not valid under evolutionary classification because they evolved before any other kingdom, and as such share a most recent common ancestor with each other, as opposed to any other group.</span>

I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!
6 0
3 years ago
Read 2 more answers
Both plant and animal cells have mitochondria true or false?
postnew [5]

Answer: false

Explanation:

Both plant and animal cells contain chloroplasts. Plant cells do NOT contain mitochondria. Most plant cells contain two or more vacuoles. Plant cells contain a large central vacuole.

3 0
3 years ago
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Why are large numbers of ocean animals found in areas where upwelling occurs?
monitta
Upwelling waters occur when the warm water, on the surface of the oceans in the equatorial regions are pushed towards the poles by winds and the denser cold currents on the ocean bottom move up to replace the displaced waters. The denser currents are usually nutrient-filled and are an ideal substrate for growth of phytoplankton as they warm up on the surface. The algae bloom attracts fish and other producers in the sea. The producers consequently attract other carnivorous fish.
6 0
4 years ago
if an owl makes one pellet a day how many mice,voles,rats,or birds must it catch in one week ,month,or year
Leona [35]

Answer:

\large \boxed{\text{32 small animals/wk, 136/mo, and 1640/yr}}

Explanation:

The pellets from a barn owl often contain the remains of 4 or 5 small animals. Let's assume an average of 4.5 animals per day.

1. Animals per week

\text{Per week} =\dfrac{\text{1 pellet}}{\text{1 da}} \times \dfrac{\text{4.5 animals}}{\text{1 pellet }} \times \dfrac{\text{7 da}}{\text{1 wk}} = \textbf{32 animals/wk}

2. Animals per year

\text{Per year} = \dfrac{\text{32 animals}}{\text{1 year}} \times \dfrac{\text{52 wk}}{\text{1 yr}} =\textbf{1640 animals/yr}

3. Animals per month

\text{Per year} = \dfrac{\text{1640 animals}}{\text{1 year}} \times \dfrac{\text{1 yr wk}}{\text{12 mo}} = \textbf{136 animals/mo}\\\\\text{A barn owl eats $\large \boxed{\textbf{36 small animals/wk, 136/mo, and 1640/yr}}$}

7 0
3 years ago
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