They can exchange both matter and energy, exchange energy but not matter, Isolated systems can exchange neither energy nor matter.
In a closed system only energy can be exchanged; matter stays inside.
In a open system matter and energy can be exchanged
Answer:
Explanation: All organisms have adaptations that help them survive and thrive. ... One day a bird is born with a beak that is longer than the beak of other birds in the species. ... Over time, animals that are better adapted to their environment survive and breed. ... The characteristics that help a species survive in an environment are passed . Adults that are most successful at attracting a mate are most likely to have offspring. Traits that help animals attract a mate and have offspring increase their ... They show females that they would be a better mate than the others
Answer: some viruses are contagious which makes them more dangerous than viruses that are not contagious
Explanation:
You are not supposed to begin the observation of specimens with oil immersion lens.
The microscope is an instrument used in science laboratories to study specimen that cannot be seen with the naked eyes.
The specimen for viewing through a microscope are usually prepared as thin slices or sections.
Among the various parts of the microscope are the x10, x40, and x 100 objective lens.
The x100 objective lens is known as the oil immersion lens because oil is added while using the lens to reduce the amount of light refraction thereby allowing more light to pass through the narrow diameter of the high power objective lens.
The x10 objective which is of lower power, should be used to focus the specimen while the higher power objective which is the x100 oil immersion used for closer observation.
Therefore, you are not supposed to begin the observation of specimens with oil immersion lens.
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It has to be B, because we do not have all the same organs as worms, we have more organs and our brains cannot hold the same amount of information, because flatworms have different nervous systems all together.
So the answer is B.