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3 years ago

A. a biosphere B. a community C. a population D. a biome

Biology

2 answers:

Liono4ka [1.6K]3 years ago

7 0

c population because they all live in the same area

alisha [4.7K]3 years ago

3 0

there is no question here

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6) African cichlids are a group of closely related fish species. There are at least 500 known species living in three small lake

pogonyaev

It's ADAPTIVE RADIATION because it is the diversification of a group of organisms into forms filling different ecological niches.

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3 years ago

Read 2 more answers

"Explain how and why de-oxygenated blood is pumped to the lungs and is then returned to the heart were the blood now rich with o

Jlenok [28]

<h2>Heart and lungs:</h2>

The upper chamber of the heart is called atrium and lower chamber of the heart is called ventricles.

The blood circulation in the heart is basically under the functioning of three blood vessels namely:

<h3>Arteries: </h3>

They start with the aorta, the huge vein leaving the heart.
Veins divert oxygen-rich blood from the heart to the majority of the body's tissues.
They branch a few times, decreasing and littler as they convey blood more remote from the heart.

<h3>Capillaries: </h3>

These are little; flimsy blood vessels that associate the arteries and the veins.
Their dainty dividers permit oxygen, supplements, carbon dioxide, and other waste items to go to and from our organ's cells.

<h3>Veins: </h3>

These are the blood vessels that return blood to the heart; this blood needs (oxygen-poor) and is wealthy in waste items that are to be discharged or expelled from the body.
Veins become bigger and bigger as they draw nearer to the heart.
The unrivaled vena cava is the huge vein that brings blood from the head and arms to the heart, and the second rate vena cava brings blood from the mid-region and legs into the heart.

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3 years ago

Name this organism? Is this organism prokaryotic or eukaryotic?

AlladinOne [14]

Answer:

Prokaryotes

Explanation:

Prokaryotes are organisms that consist of a single prokaryotic cell. Eukaryotic cells are found in plants, animals, fungi, and protists. They range from 10–100 μm in diameter, and their DNA is contained within a membrane-bound nucleus.

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2 years ago

How does gravity cause erosion?

-BARSIC- [3]

Answer:

By pulling down rocks and particles.

Explanation:

For example, in a cliff, where rocks are being pulled down by gravity. Their particles and small pieces of rock are forced to fall apart, slowly eroding down any rock or sediment.

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3 years ago

Pollination is the step that starts double fertilization. Each pollen grain contains two nuclei. One is the _______; the other i

stiv31 [10]

Explanation:

Hey there!

Your answer is option B.

Generally, in double fertilization one nuclei reacts with egg and form zygote and other reacts with polar nuclei. On this process, fruits and seed are found to be formed.

Hope it helps...

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3 years ago