what happen if photosynthetic protists disappeared from ocean, how would it affect the food chains in the ocean?

1 answer:

5 0

We'll see mostly ever marine life depends on plants in the ocean for example shrimp eat the sea grass and a fish eat that shrimp then a bigger fish eats the fish next a seal eat the fish then a shark eats the seal and sadly my poor sharks are becoming extinct humans evil people hunt them slice up their fins and throw them back in the ocean alive to slowly die
Please save the shark and recycle to keep plastic out of are oceans

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A red blood cell has been placed into three different solutions. One solution is isotonic to the cell, one solution is hypotonic

Dmitry [639]

The type of solution in each beaker based on cell's reaction are :

Isotonic solution : Normal reaction
Hypotonic solution : The cell becomes turgid
Hypertonic solution : The cell becomes deformed

<h3>Matching each solution to the cell reaction </h3>

When the red blood cell is placed in an isotonic solution the solvent flows in and out of the blood cell at the same rate, when the cell is placed in a hypotonic solution the solvent flows into the cell at a faster rate causing the cell to swell ( becomes turgid ) also when the cell is placed in a hypertonic reaction the cell becomes deformed becomes it loses more water than it absorbs.

Hence we can conclude that The type of solution in each beaker based on cell's reaction are : Isotonic solution : Normal reaction, Hypotonic solution : The cell becomes turgid, Hypertonic solution : The cell becomes deformed

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2 years ago

Which environmental factor could lead to a decrease in genetic variation in a population of tuna?

jeyben [28]

Answer:

The environmental factor that could lead to a decrease in genetic variation in a tuna population is an increase in pollution (second option).

Explanation:

There is a correlation between genetic variability and environmental pollution, the latter being a factor that impacts negatively on the variability of a specific population.

The concept of pollution stress not only implies a low rate of reproduction, but it is also a factor that prevents genetic exchange with other populations, which is a factor that makes the genetic variability decrease in a population.

For these reasons an increase in pollution implies a decrease in genetic variability in a tuna population.

Other options, such as an increase in food availability, a decrease in tuna fishing or a decrease in tuna predators, are environmental factors that contribute to increased genetic variability.

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Suppose u saw a small organism move across your book would u conclude that this organism was unicellular or multicellular ?

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Answer:

multicellular; single celled organisms are often too tiny to be seen without a microscope

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Adding an organism to a food chain does not affect the other members of the food chain, but removing an organism does.

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