The similar nature of the flight/wings of insects, birds, pterosaurs, and bats is example of <u>convergent evolution </u>
Explanation:
Convergent evolution involves different species, that are distantly related, adapting in a similar way to a similar environment to produce analogous s that perform the same function.
This is different from divergent evolution where a part of a species’ population evolves differently in another niche or environment and speciates into another species developing divergent traits.
Answer: Nuclear power plants produce some sort of nuclear waste called radioactive elements.
Explanation:
From prophase through metaphase of mitosis, each chromosome has 2 DNA molecule(s), while from anaphase through telophase of mitosis, each chromosome has one DNA molecule.
Explanation:
Mitosis is a process in which 2 identical daughter cells are formed in which DNA gets split into two sets of chromosome.
Mitosis occurs in four phases: Prophase, metaphase, Anaphase and Telophase.
After the G2 phase the DNA amount increases and get ready for the division here sister chromatid are seen not chromosome.
In metaphase the chromosome align at the equatorial plate and readied to separate the sister chromatids easily. Each chromatid contains 1 DNA molecule, in this phase two sister chromatids are there so 2 molecules of DNA are present.
In Anaphase the sister chromatids are pulled towards the opposite ends. Each cell receives one chromatid which is now 2 chromosmes. So one chromatid will have one DNA molecule.
Because the nucleus is the center of the cell and where all the extremely important parts are, the nucleus of a cell is like the brain of a person. It is the center of everything and the 'boss' of everything that goes on.
Answer:
The species richness of a community refers to the number of different species. B)
