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Len [333]
3 years ago
9

Why does meosis produce cell with fewer chormasomes

Biology
1 answer:
iragen [17]3 years ago
4 0

Answer:

it saves energy for the organism to produce fewer chromosomes. ... sexual reproduction joins two cells that each have half the total chromosome number.

Explanation:

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how energy is recycled in an ecosystem. how our atmosphere maintains its temperature. the importance of decomposers in an ecosys
-BARSIC- [3]

Answer:

The flow of energy in ecosystems is unidirectional or one-way.

Explanation:

Energy is the ability to do work. Energy flows in one direction in an ecosystem and is not recycled. This is because during the transfer of energy from one level to another, energy is lost. Most of the energy received from the sun by producers, plants, is lost as heat to the surroundings. The rest energy is converted by plants to produce food in the form of chemical energy.

Primary consumers feed on plants and secondary consumers feed on the primary consumers and so on up to quaternary consumers. However, at each level of energy transfer, some energy is lost as heat during respiration, some as unused or undigested materials, while some others are used for each organisms metabolic activities. About 90% of energy in a trophic is used at that trophic level. Therefore, only about 10% as much energy is available to  organisms at each successive trophic level. Therefore, energy is not recycled in ecosystems.

Earth's atmosphere maintains its temperature by means of the earth's energy balance. This refers to how incoming from the sun and outgoing energy from the earth are in balance, thereby keeping earth's temperature constant.

Decomposers, are organisms such as bacteria, fungi, and small animals such as ants and worms that eat and decompose dead and waste organic matter and which recycle nutrients back into food chains making them available for plants use. Therefore, decomposers are an essential components of all ecosystems.

3 0
3 years ago
The structural and functional unit of skeletal muscle is called a/an . The connective tissue covering around a fascicle is the .
Ainat [17]

Answer:

The structural and functional unit of skeletal muscle is called a sacormere

The connective tissue covering around a fascicle is the perimysium

The part of a muscle fiber that contracts is called the myofibril

The connective tissue covering on the outside of a whole muscle is the Epimysium

Explanation:

8 0
3 years ago
List The properties of S waves and P waves
galina1969 [7]
S waves are slower than P waves and they can only travel through solid rock. S waves move the particles it pushes through up and down or side to side (perpendicular to the motion of the S waves energy).
7 0
3 years ago
Random processes like mutation and genetic drift can change __________. Fill in the blank
Marta_Voda [28]
Gene Pool



Good luck!!!!
4 0
2 years ago
S the bac rises above .06, the drinker may begin to experience a "down" feeling. what is this effect called?
klio [65]
The effect is called BIPHASIC RESPONSE.
When an individual start drinking alcohol and the BAC level is below 0.06 the person will be stimulated and relatively happy, but when the BAC rises above this level, the person will feel down and depressed. The response is called biphasic because the two events[that is, feeling high and feeling down] occur within a time frame period.
4 0
3 years ago
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