Why do classification systems change over time?

Answers

Answer 1

Answer: Classification systems are only as good as the criteria used to create them. Over time, those criteria that are considered "obsolete" will be trashed and new criteria developed. In this way, systems stay both relevant but able to reach across generations.

Answer 2

Answer:

Answer:

Scientists find new evidence of species. (A)

Explanation:

Thank me later B)

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Which of the following would most likely be a cause of primary succession?

Two insect groups vary genetically by two genes. When put together, they were able to reproduce and produce offspring that could also breed. Which best describes this insect population?

Answers

The answer is The insects are the same species.

Species is a group of similar organisms able to reproduce (to exchange genes and interbreed) only within the group. That means that organisms from different species could not exchange genes. Since mentioned insect groups are able to reproduce and produce offspring that could also breed, these groups belong to the same species. If they could not reproduce and produce offspring that could also breed, these groups would belong to the different species.

Answer:

Explanation:

The insects are the same species.

Scientists want to determine how closely related chimpanzees are to humans. Which data would give the MOST accurate comparison?A) their niches
B) their DNA sequences
C) their physical characteristics
D) their behavioral characteritics

Answers

The correct answer is option B) their DNA sequences.

The best comparison for finding out the evolutionary relationship between two organism is the comparison of their DNA (deoxyribonucleic acid) sequence. The organisms, which are more closely related to one another share more similarity in the DNA sequence as compared to the distantly related organism, so, the comparison of the DNA can help in determining the evolutionary relationship between the organism.

B: their DNA sequences?

In what form is energy lost from the ecosystem?A. Egestion
B. Light
C. Excretion
D. Heat

Answers

The answer is D. Heat because animals consume the food for energy and so most of this energy is lost in the form of heat or waste.

the answer is D. Heat because animals consume the food for energy and so most of this energy is lost in the form of heat or waste.

Which of the following represents a dependent variable in this experiment?the amount of water provided to each plant
the growth of each plant
the amount of sunlight provided to each plant
the amount of soil provided to each plant

Answers

Answer:

The growth of each plant

Explanation:

I'm not sure what the experiment was, but the growth of the plant is dependent on the amount of water, sunlight, and soil, and is therefore the dependent variable.

The theory of plate tectonics describes _______.

Answers

The correct answer for the question that is being presented above is this one: "The theory of plate tectonics describes the theory that Earth's outer shell is divided into several plates that glide over the mantle, the rocky inner layer above the core. The plates act like a hard and rigid shell compared to Earth's mantle."

Answer: The theory of tectonic plates says that the outer shell of the earth is divided into many plates. These plates glide over the mantle. The plates acts as the hard and rigid shell when compared to the earth's mantle. All the continents and sub continents are based on plates, continental drift can result in earthquake, tsunami, volcanic eruption.

cat fur color is determined by codominance the allele for tan fur (TT) and the allele for black fur (BB) are codo

Answers

what does that even mean

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