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Ahat [919]
3 years ago
11

What is the purpose of the circulatory system?

Biology
1 answer:
AveGali [126]3 years ago
8 0
The main function of the circulatory system is to move materials throughout the body, blood for cellular respiration, sugars for energy, leukocytes for immune support, and other nutrients necessary for proper homeostasis.
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What characteristics are always present in all living organisms
iragen [17]

Cellular organization, Method of reproduction, Metabolism, Heredity, response to stimuli, homeostasis, adaptation to evolution, and growth and development,

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8 0
4 years ago
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Write a short essay (not more than 5 sentence ) on how you think life began on earth​
Snezhnost [94]

Answer:

The earliest known life-forms are putative fossilized microorganisms, found in hydrothermal vent precipitates, that may have lived as early as 4.28 Gya (billion years ago), relatively soon after the oceans formed 4.41 Gya, and not long after the formation of the Earth 4.54 Gya.

Explanation:

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3 years ago
Menciona 2 propiedades de una onda ??​
viva [34]

Answer:

una propiedad que varía y la otra que permanece constante cuando la onda pasa de un medio a otro. Las dos propiedades son: i) Longitud de onda ii) Frecuencia

Explanation:

Hope it helps :)

7 0
3 years ago
AHHH plz help lol.<br>Describe how nucleotides and hydrogen bonds affect the structure of DNA.
Nezavi [6.7K]

Answer:

<em><u>The nucleotides are bonded together via hydrogen bonds making it easy for the dna to be split in half and replicated</u></em>

7 0
3 years ago
Two species of spiny mice compete for the same food source. One species of spiny mice feeds on insects during the day, while the
Korvikt [17]

Answer:

Temporal partitioning or niche differentiation

Explanation:

Temporal partitioning refers to the variability in the competitive abilities of different species competing for the same resources based on varying conditions of the environment.

The environmental factors could be light, temperature, moisture, etc. Each species specializes in feeding within varied condition of one or more of the factors.

<em>In this case, both species are in competition but while the first species feeds during the day, the second species feeds during the night. Here, light and temperature probably plays a huge factor.</em>

Temporal partitioning is also known as niche differentiation, segregation, separation or niche partitioning.

3 0
4 years ago
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