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liraira [26]
4 years ago
14

"what is the difference between organisms described as plankton, nekton, and benthos?"

Biology
1 answer:
kari74 [83]4 years ago
4 0
Plankton are small aquatic organisms that cannot move on their own. They live in the photic zone. They include phytoplankton and and zooplankton 

Nekton are aquatic animals that can move on their own by swimming through the water. The can live the photic or aphotic zone and feed on plankton or other nekton. Some examples are fish or shrimp

Benthos are aquatic organisms that crawl in sediments in the benthic zone. The benthic zone is the deepest part of a body of water. Most of the organisms that life here include sponges, clams, and anglerfish
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If a population has only one allele form of the gene, every individual is: select one:
katrin [286]
It is the Gene Pool. It is an accumulation of the considerable number of qualities in a populace. This can be any populace - frogs in a lake, trees in a timberland, or individuals in a town. A quality pool isn't a genuine place; it's a unique thought or a fanciful gathering.
5 0
3 years ago
Which object would have a larger gravitational force acting upon it
fiasKO [112]

Answer

Hi,

An object with the largest size will have a large gravitational force acting on it. Explanation

The gravitation force increases with increase in size of an object. An object that has twice as much mass will exert two times as much gravitational pull on other objects. An object with greater mass attracts the earth more strongly that the other one with smaller mass. On the earth’s space, the more massive objects will exert stronger gravitational forces.

Best wishes!

6 0
4 years ago
One interaction between the nervous system and the skeletal system involves the calcium stored in the bones. The nervous system
Ksivusya [100]

Answer:

C.  The brain controls the contraction of muscles.

Explanation:

Calcium's positive molecule is important to the transmission of nerve impulses to the muscle fiber via its neurotransmitters triggering release at the junction between the nerves. Inside the muscle, calcium facilitates the interaction between actin and myosin during contraction.

6 0
3 years ago
Read 2 more answers
When new areas are being developed, nearby homeowners may notice an influx of displaced animals to their yards. How do these dis
shutvik [7]

Answer: The correct answer is: They compete with already present animals for sources of food.

Hope this helps!  :)

Explanation:

4 0
3 years ago
La xerodermia pigmentosa es una enfermedad genetica , más común en Israel, Egipto y Japón que en el resto del mundo . Las person
Mars2501 [29]

Answer:

Afecta a la estructura primaria de las proteínas.

Explanation:

Las proteínas tienen 4 niveles de estructura:

  1. Estructura primaria: es la secuencia de aminoácidos que forman la cadena peptídica de la proteína.
  2. Estructura secundaria: es el plegamiento de la cadena por unión con aminoácidos de la misma cadena dándole a la proteína la forma de alfa hélice o de lámina plegada.
  3. Estructura terciaria: la estructura secundaria de la proteína se pliega dando a la proteína una estructura globular, la cual hace a la proteína soluble, o fibrilar, la cual hace a la proteína insoluble.
  4. Estructura cuaternaria: dos o más proteínas con estructura terciaria se unen.

Si la xerodermia afecta la secuencia de aminoácidos, afecta la estructura primaria de la proteína ya que esta es el orden en que los aminoácidos se juntan para formar la cadena peptídica.

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3 years ago
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