Deep water rises along the coast of Peru to replace surface water carried away from the coast by strong winds. Why is upwelling important?

Answers

Answer 1

Answer:

Upwelling is important to mix the nutrients that are present deep inside the water.Updewelling is a phenomenon in which the deeper water rises and gets mixed to the surface water to promote the growth of phytoplanktons and seaweeds as the water that is present deep inside is rich in nutrients.These phytoplanktons serve as as source of energy for large fishes and other aquatic animals. As these large animals are higher in population and are an important part of food chain and they also provide food to different marine mammals ,sea birds.The deep water infuses with costal water so to serve as a fuel for high productivity of marine ecosystem.

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Some animals, like birds, reproduce by fusion of cells. Before a bird hatches, what protects the bird as it develops?

Answers

A shell protects the bird.

Compare the element hydrogen with the alkali metal sodium

Answers

Hydrogen and Sodium are both part of the alkali group. Hydrogen has an atomic weight of 1.008 while Sodium has an atomic weight of 22.99. Hydrogen has only one electron while Sodium also has one electron in the outer shell. So both Hydrogen and Sodium has a charge of +1. Hydrogen is actually a gas while Sodium is a metal. Sodium is never a diatomic molecule, whereas Hydrogen is a diatomic molecule. So it can be seen that there are similarities as well as differences between Hydrogen and Sodium.

Please help! DirectionsResearch your local ecosystem, using the internet, or other local resources. Write a 500 word report on your ecosystem to answer the following questions.

Questions
Answer the following questions in the essay box below.

What were the biotic and abiotic factors in the ecosystem?
List the populations in the ecosystem. Which population was the largest? The smallest?
Describe one niche in the ecosystem.

Answers

-biotic are living things like squirrels, ivy
-abiotic are factors in the ecosystem that aren't alive like the sun or air
-populations are the types of animals like frogs or fish
- A niche is the role and position a species has in its environment; how it meets its needs for food and shelter, how it survives, and how it reproduces
-

Final answer:

The question is about understanding a specific ecosystem. Biotic and abiotic factors form integral parts of an ecosystem, with biotic being the living organisms and abiotic the non-living aspects. Populations in an ecosystem refer to groups of the same species living together, and a niche is a species' role within its environment.

Explanation:

In any given ecosystem, there are both biotic and abiotic factors. Biotic factors represent the living organisms in the ecosystem, such as plants, animals, fungi, and microorganisms. Abiotic factors involve non-living aspects like sunlight, temperature, humidity, and soil quality.

Populations denote groups of the same species living together. The population size can vary, with some being larger and others smaller depending on the ecological conditions and availability of resources.

An ecosystem's niche is the role of a species within its environment, which includes its interactions with other organisms, its feeding habits, its reproduction, and its contribution to energy flow.

Learn more about Ecosystem here:

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In an area in which electricity costs 8 cents/kilowatt-hour, a 5 kW clothes dryer runs for 90 minutes to dry a load of laundry. How much did it cost to dry these clothes?A. $0.20
B. $0.30
C. $0.45
D. $0.60

Answers

D $0.60 because (5kW)x(90/60hours)x(8cents/kWh) = $0.60 --> D

Answer:

Explanation:

What is a system of standardized unit of measurement?

Answers

Sounds like you might be referring to the metric system, used worldwide.

All the iron molecules that are in your body were originally created by____A a black hole
B a star
C a nebula
D the sun
E the force of gravity

Answers

Answer: Option 'B' is correct.

Explanation:

All the iron molecules that are in your body were originally created by a star.

During a star supernova, a very large amount of energy and neutrons are released by stars which allows heavier elements to be produced.

And when there is explosion of star occurs, those elements are found which is used to make DNA and DNA contains large amount of iron molecules.

Hence, Option 'B' is correct.

I think the answer is B - a star! Hope this helps!

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An allele whose trait always shows up in the organism is called